Detectar la versión de Windows en .net

¿Cómo puedo detectar las versiones del sistema operativo Windows en .net?

¿Qué código puedo usar?

System.Environment.OSVersiontiene la información que necesita para distinguir la mayoría de las versiones principales del sistema operativo Windows, pero no todas. Consta de tres componentes que se asignan a las siguientes versiones de Windows:

+------------------------------------------------------------------------------+
|                    |   PlatformID    |   Major version   |   Minor version   |
+------------------------------------------------------------------------------+
| Windows 95         |  Win32Windows   |         4         |          0        |
| Windows 98         |  Win32Windows   |         4         |         10        |
| Windows Me         |  Win32Windows   |         4         |         90        |
| Windows NT 4.0     |  Win32NT        |         4         |          0        |
| Windows 2000       |  Win32NT        |         5         |          0        |
| Windows XP         |  Win32NT        |         5         |          1        |
| Windows 2003       |  Win32NT        |         5         |          2        |
| Windows Vista      |  Win32NT        |         6         |          0        |
| Windows 2008       |  Win32NT        |         6         |          0        |
| Windows 7          |  Win32NT        |         6         |          1        |
| Windows 2008 R2    |  Win32NT        |         6         |          1        |
| Windows 8          |  Win32NT        |         6         |          2        |
| Windows 8.1        |  Win32NT        |         6         |          3        |
+------------------------------------------------------------------------------+
| Windows 10         |  Win32NT        |        10         |          0        |
+------------------------------------------------------------------------------+

Para obtener una biblioteca que le permita obtener una vista más completa de la versión exacta de Windows en la que se ejecuta el entorno de ejecución actual, consulte esta biblioteca .

Nota importante : si su manifiesto de ensamblaje ejecutable no indica explícitamente que su ensamblaje exe es compatible con Windows 8.1 y Windows 10.0, System.Environment.OSVersiondevolverá la versión de Windows 8, que es 6.2, en lugar de 6.3 y 10.0. Fuente: aquí .

Usé esto cuando tuve que determinar varias versiones del sistema operativo Microsoft:

string getOSInfo()
{
   //Get Operating system information.
   OperatingSystem os = Environment.OSVersion;
   //Get version information about the os.
   Version vs = os.Version;

   //Variable to hold our return value
   string operatingSystem = "";

   if (os.Platform == PlatformID.Win32Windows)
   {
       //This is a pre-NT version of Windows
       switch (vs.Minor)
       {
           case 0:
               operatingSystem = "95";
               break;
           case 10:
               if (vs.Revision.ToString() == "2222A")
                   operatingSystem = "98SE";
               else
                   operatingSystem = "98";
               break;
           case 90:
               operatingSystem = "Me";
               break;
           default:
               break;
       }
   }
   else if (os.Platform == PlatformID.Win32NT)
   {
       switch (vs.Major)
       {
           case 3:
               operatingSystem = "NT 3.51";
               break;
           case 4:
               operatingSystem = "NT 4.0";
               break;
           case 5:
               if (vs.Minor == 0)
                   operatingSystem = "2000";
               else
                   operatingSystem = "XP";
               break;
           case 6:
               if (vs.Minor == 0)
                   operatingSystem = "Vista";
               else if (vs.Minor == 1)
                   operatingSystem = "7";
               else if (vs.Minor == 2)
                   operatingSystem = "8";
               else
                   operatingSystem = "8.1";
               break;
           case 10:
               operatingSystem = "10";
               break;
           default:
               break;
       }
   }
   //Make sure we actually got something in our OS check
   //We don't want to just return " Service Pack 2" or " 32-bit"
   //That information is useless without the OS version.
   if (operatingSystem != "")
   {
       //Got something.  Let's prepend "Windows" and get more info.
       operatingSystem = "Windows " + operatingSystem;
       //See if there's a service pack installed.
       if (os.ServicePack != "")
       {
           //Append it to the OS name.  i.e. "Windows XP Service Pack 3"
           operatingSystem += " " + os.ServicePack;
       }
       //Append the OS architecture.  i.e. "Windows XP Service Pack 3 32-bit"
       //operatingSystem += " " + getOSArchitecture().ToString() + "-bit";
   }
   //Return the information we've gathered.
   return operatingSystem;
}

Fuente: aquí

Yo uso el ManagementObjectSearcherespacio de nombresSystem.Management

Ejemplo:

string r = "";
using (ManagementObjectSearcher searcher = new ManagementObjectSearcher("SELECT * FROM Win32_OperatingSystem"))
{
    ManagementObjectCollection information = searcher.Get();
    if (information != null)
    {
        foreach (ManagementObject obj in information)
        {
            r = obj["Caption"].ToString() + " - " + obj["OSArchitecture"].ToString();
        }
    }
    r = r.Replace("NT 5.1.2600", "XP");
    r = r.Replace("NT 5.2.3790", "Server 2003");
    MessageBox.Show(r);
}

No olvide agregar la referencia al ensamblaje System.Management.dll y poner el uso:using System.Management;

Resultado:

Documentación

Como sugirió R. Bemrose, si está haciendo funciones específicas de Windows 7, debe consultar el paquete de códigos API de Windows® para Microsoft® .NET Framework .

Contiene un CoreHelpers clase que le permite determinar el sistema operativo en el que se encuentra actualmente (solo XP y superior, es un requisito para .NET hoy)

También proporciona múltiples métodos auxiliares. Por ejemplo, suponga que desea usar la lista de salto de Windows 7, hay una clase TaskbarManagerque proporciona una propiedad llamada IsPlatformSupportedy devolverá verdadero si está en Windows 7 y superior.

Puedes usar esta clase auxiliar;

using System;
using System.Runtime.InteropServices;

/// <summary>
/// Provides detailed information about the host operating system.
/// </summary>
public static class OSInfo
{
    #region BITS
    /// <summary>
    /// Determines if the current application is 32 or 64-bit.
    /// </summary>
    public static int Bits
    {
        get
        {
            return IntPtr.Size * 8;
        }
    }
    #endregion BITS

    #region EDITION
    private static string s_Edition;
    /// <summary>
    /// Gets the edition of the operating system running on this computer.
    /// </summary>
    public static string Edition
    {
        get
        {
            if (s_Edition != null)
                return s_Edition;  //***** RETURN *****//

            string edition = String.Empty;

            OperatingSystem osVersion = Environment.OSVersion;
            OSVERSIONINFOEX osVersionInfo = new OSVERSIONINFOEX();
            osVersionInfo.dwOSVersionInfoSize = Marshal.SizeOf( typeof( OSVERSIONINFOEX ) );

            if (GetVersionEx( ref osVersionInfo ))
            {
                int majorVersion = osVersion.Version.Major;
                int minorVersion = osVersion.Version.Minor;
                byte productType = osVersionInfo.wProductType;
                short suiteMask = osVersionInfo.wSuiteMask;

                #region VERSION 4
                if (majorVersion == 4)
                {
                    if (productType == VER_NT_WORKSTATION)
                    {
                        // Windows NT 4.0 Workstation
                        edition = "Workstation";
                    }
                    else if (productType == VER_NT_SERVER)
                    {
                        if ((suiteMask & VER_SUITE_ENTERPRISE) != 0)
                        {
                            // Windows NT 4.0 Server Enterprise
                            edition = "Enterprise Server";
                        }
                        else
                        {
                            // Windows NT 4.0 Server
                            edition = "Standard Server";
                        }
                    }
                }
                #endregion VERSION 4

                #region VERSION 5
                else if (majorVersion == 5)
                {
                    if (productType == VER_NT_WORKSTATION)
                    {
                        if ((suiteMask & VER_SUITE_PERSONAL) != 0)
                        {
                            // Windows XP Home Edition
                            edition = "Home";
                        }
                        else
                        {
                            // Windows XP / Windows 2000 Professional
                            edition = "Professional";
                        }
                    }
                    else if (productType == VER_NT_SERVER)
                    {
                        if (minorVersion == 0)
                        {
                            if ((suiteMask & VER_SUITE_DATACENTER) != 0)
                            {
                                // Windows 2000 Datacenter Server
                                edition = "Datacenter Server";
                            }
                            else if ((suiteMask & VER_SUITE_ENTERPRISE) != 0)
                            {
                                // Windows 2000 Advanced Server
                                edition = "Advanced Server";
                            }
                            else
                            {
                                // Windows 2000 Server
                                edition = "Server";
                            }
                        }
                        else
                        {
                            if ((suiteMask & VER_SUITE_DATACENTER) != 0)
                            {
                                // Windows Server 2003 Datacenter Edition
                                edition = "Datacenter";
                            }
                            else if ((suiteMask & VER_SUITE_ENTERPRISE) != 0)
                            {
                                // Windows Server 2003 Enterprise Edition
                                edition = "Enterprise";
                            }
                            else if ((suiteMask & VER_SUITE_BLADE) != 0)
                            {
                                // Windows Server 2003 Web Edition
                                edition = "Web Edition";
                            }
                            else
                            {
                                // Windows Server 2003 Standard Edition
                                edition = "Standard";
                            }
                        }
                    }
                }
                #endregion VERSION 5

                #region VERSION 6
                else if (majorVersion == 6)
                {
                    int ed;
                    if (GetProductInfo( majorVersion, minorVersion,
                        osVersionInfo.wServicePackMajor, osVersionInfo.wServicePackMinor,
                        out ed ))
                    {
                        switch (ed)
                        {
                            case PRODUCT_BUSINESS:
                                edition = "Business";
                                break;
                            case PRODUCT_BUSINESS_N:
                                edition = "Business N";
                                break;
                            case PRODUCT_CLUSTER_SERVER:
                                edition = "HPC Edition";
                                break;
                            case PRODUCT_DATACENTER_SERVER:
                                edition = "Datacenter Server";
                                break;
                            case PRODUCT_DATACENTER_SERVER_CORE:
                                edition = "Datacenter Server (core installation)";
                                break;
                            case PRODUCT_ENTERPRISE:
                                edition = "Enterprise";
                                break;
                            case PRODUCT_ENTERPRISE_N:
                                edition = "Enterprise N";
                                break;
                            case PRODUCT_ENTERPRISE_SERVER:
                                edition = "Enterprise Server";
                                break;
                            case PRODUCT_ENTERPRISE_SERVER_CORE:
                                edition = "Enterprise Server (core installation)";
                                break;
                            case PRODUCT_ENTERPRISE_SERVER_CORE_V:
                                edition = "Enterprise Server without Hyper-V (core installation)";
                                break;
                            case PRODUCT_ENTERPRISE_SERVER_IA64:
                                edition = "Enterprise Server for Itanium-based Systems";
                                break;
                            case PRODUCT_ENTERPRISE_SERVER_V:
                                edition = "Enterprise Server without Hyper-V";
                                break;
                            case PRODUCT_HOME_BASIC:
                                edition = "Home Basic";
                                break;
                            case PRODUCT_HOME_BASIC_N:
                                edition = "Home Basic N";
                                break;
                            case PRODUCT_HOME_PREMIUM:
                                edition = "Home Premium";
                                break;
                            case PRODUCT_HOME_PREMIUM_N:
                                edition = "Home Premium N";
                                break;
                            case PRODUCT_HYPERV:
                                edition = "Microsoft Hyper-V Server";
                                break;
                            case PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT:
                                edition = "Windows Essential Business Management Server";
                                break;
                            case PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING:
                                edition = "Windows Essential Business Messaging Server";
                                break;
                            case PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY:
                                edition = "Windows Essential Business Security Server";
                                break;
                            case PRODUCT_SERVER_FOR_SMALLBUSINESS:
                                edition = "Windows Essential Server Solutions";
                                break;
                            case PRODUCT_SERVER_FOR_SMALLBUSINESS_V:
                                edition = "Windows Essential Server Solutions without Hyper-V";
                                break;
                            case PRODUCT_SMALLBUSINESS_SERVER:
                                edition = "Windows Small Business Server";
                                break;
                            case PRODUCT_STANDARD_SERVER:
                                edition = "Standard Server";
                                break;
                            case PRODUCT_STANDARD_SERVER_CORE:
                                edition = "Standard Server (core installation)";
                                break;
                            case PRODUCT_STANDARD_SERVER_CORE_V:
                                edition = "Standard Server without Hyper-V (core installation)";
                                break;
                            case PRODUCT_STANDARD_SERVER_V:
                                edition = "Standard Server without Hyper-V";
                                break;
                            case PRODUCT_STARTER:
                                edition = "Starter";
                                break;
                            case PRODUCT_STORAGE_ENTERPRISE_SERVER:
                                edition = "Enterprise Storage Server";
                                break;
                            case PRODUCT_STORAGE_EXPRESS_SERVER:
                                edition = "Express Storage Server";
                                break;
                            case PRODUCT_STORAGE_STANDARD_SERVER:
                                edition = "Standard Storage Server";
                                break;
                            case PRODUCT_STORAGE_WORKGROUP_SERVER:
                                edition = "Workgroup Storage Server";
                                break;
                            case PRODUCT_UNDEFINED:
                                edition = "Unknown product";
                                break;
                            case PRODUCT_ULTIMATE:
                                edition = "Ultimate";
                                break;
                            case PRODUCT_ULTIMATE_N:
                                edition = "Ultimate N";
                                break;
                            case PRODUCT_WEB_SERVER:
                                edition = "Web Server";
                                break;
                            case PRODUCT_WEB_SERVER_CORE:
                                edition = "Web Server (core installation)";
                                break;
                        }
                    }
                }
                #endregion VERSION 6
            }

            s_Edition = edition;
            return edition;
        }
    }
    #endregion EDITION

    #region NAME
    private static string s_Name;
    /// <summary>
    /// Gets the name of the operating system running on this computer.
    /// </summary>
    public static string Name
    {
        get
        {
            if (s_Name != null)
                return s_Name;  //***** RETURN *****//

            string name = "unknown";

            OperatingSystem osVersion = Environment.OSVersion;
            OSVERSIONINFOEX osVersionInfo = new OSVERSIONINFOEX();
            osVersionInfo.dwOSVersionInfoSize = Marshal.SizeOf( typeof( OSVERSIONINFOEX ) );

            if (GetVersionEx( ref osVersionInfo ))
            {
                int majorVersion = osVersion.Version.Major;
                int minorVersion = osVersion.Version.Minor;

                switch (osVersion.Platform)
                {
                    case PlatformID.Win32Windows:
                        {
                            if (majorVersion == 4)
                            {
                                string csdVersion = osVersionInfo.szCSDVersion;
                                switch (minorVersion)
                                {
                                    case 0:
                                        if (csdVersion == "B" || csdVersion == "C")
                                            name = "Windows 95 OSR2";
                                        else
                                            name = "Windows 95";
                                        break;
                                    case 10:
                                        if (csdVersion == "A")
                                            name = "Windows 98 Second Edition";
                                        else
                                            name = "Windows 98";
                                        break;
                                    case 90:
                                        name = "Windows Me";
                                        break;
                                }
                            }
                            break;
                        }

                    case PlatformID.Win32NT:
                        {
                            byte productType = osVersionInfo.wProductType;

                            switch (majorVersion)
                            {
                                case 3:
                                    name = "Windows NT 3.51";
                                    break;
                                case 4:
                                    switch (productType)
                                    {
                                        case 1:
                                            name = "Windows NT 4.0";
                                            break;
                                        case 3:
                                            name = "Windows NT 4.0 Server";
                                            break;
                                    }
                                    break;
                                case 5:
                                    switch (minorVersion)
                                    {
                                        case 0:
                                            name = "Windows 2000";
                                            break;
                                        case 1:
                                            name = "Windows XP";
                                            break;
                                        case 2:
                                            name = "Windows Server 2003";
                                            break;
                                    }
                                    break;
                                case 6:
                                    switch (productType)
                                    {
                                        case 1:
                                            name = "Windows Vista";
                                            break;
                                        case 3:
                                            name = "Windows Server 2008";
                                            break;
                                    }
                                    break;
                            }
                            break;
                        }
                }
            }

            s_Name = name;
            return name;
        }
    }
    #endregion NAME

    #region PINVOKE
    #region GET
    #region PRODUCT INFO
    [DllImport( "Kernel32.dll" )]
    internal static extern bool GetProductInfo(
        int osMajorVersion,
        int osMinorVersion,
        int spMajorVersion,
        int spMinorVersion,
        out int edition );
    #endregion PRODUCT INFO

    #region VERSION
    [DllImport( "kernel32.dll" )]
    private static extern bool GetVersionEx( ref OSVERSIONINFOEX osVersionInfo );
    #endregion VERSION
    #endregion GET

    #region OSVERSIONINFOEX
    [StructLayout( LayoutKind.Sequential )]
    private struct OSVERSIONINFOEX
    {
        public int dwOSVersionInfoSize;
        public int dwMajorVersion;
        public int dwMinorVersion;
        public int dwBuildNumber;
        public int dwPlatformId;
        [MarshalAs( UnmanagedType.ByValTStr, SizeConst = 128 )]
        public string szCSDVersion;
        public short wServicePackMajor;
        public short wServicePackMinor;
        public short wSuiteMask;
        public byte wProductType;
        public byte wReserved;
    }
    #endregion OSVERSIONINFOEX

    #region PRODUCT
    private const int PRODUCT_UNDEFINED = 0x00000000;
    private const int PRODUCT_ULTIMATE = 0x00000001;
    private const int PRODUCT_HOME_BASIC = 0x00000002;
    private const int PRODUCT_HOME_PREMIUM = 0x00000003;
    private const int PRODUCT_ENTERPRISE = 0x00000004;
    private const int PRODUCT_HOME_BASIC_N = 0x00000005;
    private const int PRODUCT_BUSINESS = 0x00000006;
    private const int PRODUCT_STANDARD_SERVER = 0x00000007;
    private const int PRODUCT_DATACENTER_SERVER = 0x00000008;
    private const int PRODUCT_SMALLBUSINESS_SERVER = 0x00000009;
    private const int PRODUCT_ENTERPRISE_SERVER = 0x0000000A;
    private const int PRODUCT_STARTER = 0x0000000B;
    private const int PRODUCT_DATACENTER_SERVER_CORE = 0x0000000C;
    private const int PRODUCT_STANDARD_SERVER_CORE = 0x0000000D;
    private const int PRODUCT_ENTERPRISE_SERVER_CORE = 0x0000000E;
    private const int PRODUCT_ENTERPRISE_SERVER_IA64 = 0x0000000F;
    private const int PRODUCT_BUSINESS_N = 0x00000010;
    private const int PRODUCT_WEB_SERVER = 0x00000011;
    private const int PRODUCT_CLUSTER_SERVER = 0x00000012;
    private const int PRODUCT_HOME_SERVER = 0x00000013;
    private const int PRODUCT_STORAGE_EXPRESS_SERVER = 0x00000014;
    private const int PRODUCT_STORAGE_STANDARD_SERVER = 0x00000015;
    private const int PRODUCT_STORAGE_WORKGROUP_SERVER = 0x00000016;
    private const int PRODUCT_STORAGE_ENTERPRISE_SERVER = 0x00000017;
    private const int PRODUCT_SERVER_FOR_SMALLBUSINESS = 0x00000018;
    private const int PRODUCT_SMALLBUSINESS_SERVER_PREMIUM = 0x00000019;
    private const int PRODUCT_HOME_PREMIUM_N = 0x0000001A;
    private const int PRODUCT_ENTERPRISE_N = 0x0000001B;
    private const int PRODUCT_ULTIMATE_N = 0x0000001C;
    private const int PRODUCT_WEB_SERVER_CORE = 0x0000001D;
    private const int PRODUCT_MEDIUMBUSINESS_SERVER_MANAGEMENT = 0x0000001E;
    private const int PRODUCT_MEDIUMBUSINESS_SERVER_SECURITY = 0x0000001F;
    private const int PRODUCT_MEDIUMBUSINESS_SERVER_MESSAGING = 0x00000020;
    private const int PRODUCT_SERVER_FOR_SMALLBUSINESS_V = 0x00000023;
    private const int PRODUCT_STANDARD_SERVER_V = 0x00000024;
    private const int PRODUCT_ENTERPRISE_SERVER_V = 0x00000026;
    private const int PRODUCT_STANDARD_SERVER_CORE_V = 0x00000028;
    private const int PRODUCT_ENTERPRISE_SERVER_CORE_V = 0x00000029;
    private const int PRODUCT_HYPERV = 0x0000002A;
    #endregion PRODUCT

    #region VERSIONS
    private const int VER_NT_WORKSTATION = 1;
    private const int VER_NT_DOMAIN_CONTROLLER = 2;
    private const int VER_NT_SERVER = 3;
    private const int VER_SUITE_SMALLBUSINESS = 1;
    private const int VER_SUITE_ENTERPRISE = 2;
    private const int VER_SUITE_TERMINAL = 16;
    private const int VER_SUITE_DATACENTER = 128;
    private const int VER_SUITE_SINGLEUSERTS = 256;
    private const int VER_SUITE_PERSONAL = 512;
    private const int VER_SUITE_BLADE = 1024;
    #endregion VERSIONS
    #endregion PINVOKE

    #region SERVICE PACK
    /// <summary>
    /// Gets the service pack information of the operating system running on this computer.
    /// </summary>
    public static string ServicePack
    {
        get
        {
            string servicePack = String.Empty;
            OSVERSIONINFOEX osVersionInfo = new OSVERSIONINFOEX();

            osVersionInfo.dwOSVersionInfoSize = Marshal.SizeOf( typeof( OSVERSIONINFOEX ) );

            if (GetVersionEx( ref osVersionInfo ))
            {
                servicePack = osVersionInfo.szCSDVersion;
            }

            return servicePack;
        }
    }
    #endregion SERVICE PACK

    #region VERSION
    #region BUILD
    /// <summary>
    /// Gets the build version number of the operating system running on this computer.
    /// </summary>
    public static int BuildVersion
    {
        get
        {
            return Environment.OSVersion.Version.Build;
        }
    }
    #endregion BUILD

    #region FULL
    #region STRING
    /// <summary>
    /// Gets the full version string of the operating system running on this computer.
    /// </summary>
    public static string VersionString
    {
        get
        {
            return Environment.OSVersion.Version.ToString();
        }
    }
    #endregion STRING

    #region VERSION
    /// <summary>
    /// Gets the full version of the operating system running on this computer.
    /// </summary>
    public static Version Version
    {
        get
        {
            return Environment.OSVersion.Version;
        }
    }
    #endregion VERSION
    #endregion FULL

    #region MAJOR
    /// <summary>
    /// Gets the major version number of the operating system running on this computer.
    /// </summary>
    public static int MajorVersion
    {
        get
        {
            return Environment.OSVersion.Version.Major;
        }
    }
    #endregion MAJOR

    #region MINOR
    /// <summary>
    /// Gets the minor version number of the operating system running on this computer.
    /// </summary>
    public static int MinorVersion
    {
        get
        {
            return Environment.OSVersion.Version.Minor;
        }
    }
    #endregion MINOR

    #region REVISION
    /// <summary>
    /// Gets the revision version number of the operating system running on this computer.
    /// </summary>
    public static int RevisionVersion
    {
        get
        {
            return Environment.OSVersion.Version.Revision;
        }
    }
    #endregion REVISION
    #endregion VERSION
}

El código de muestra está aquí:

    Console.WriteLine( "Operation System Information" );
    Console.WriteLine( "----------------------------" );
    Console.WriteLine( "Name = {0}", OSInfo.Name );
    Console.WriteLine( "Edition = {0}", OSInfo.Edition );
    Console.WriteLine( "Service Pack = {0}", OSInfo.ServicePack );
    Console.WriteLine( "Version = {0}", OSInfo.VersionString );
    Console.WriteLine( "Bits = {0}", OSInfo.Bits );

Me encontraron en esta dirección: http://www.csharp411.com/wp-content/uploads/2009/01/OSInfo.cs

A través de la Environment.OSVersioncual "Obtiene un objeto System.OperatingSystem que contiene el identificador de plataforma actual y el número de versión".

Todas estas parecen respuestas muy complicadas para una función muy simple:

public bool IsWindows7 
{ 
    get 
    { 
        return (Environment.OSVersion.Version.Major == 6 &
            Environment.OSVersion.Version.Minor == 1); 
    } 
}

Detectar versión del sistema operativo:

    public static string OS_Name()
    {
        return (string)(from x in new ManagementObjectSearcher(
            "SELECT Caption FROM Win32_OperatingSystem").Get().Cast<ManagementObject>() 
            select x.GetPropertyValue("Caption")).FirstOrDefault();
    }

Esta es una pregunta relativamente antigua, pero recientemente tuve que resolver este problema y no vi mi solución publicada en ningún lado.

La forma más fácil (y más simple en mi opinión) es usar una llamada pinvoke a RtlGetVersion

[DllImport("ntdll.dll", SetLastError = true)]
internal static extern uint RtlGetVersion(out Structures.OsVersionInfo versionInformation); // return type should be the NtStatus enum

[StructLayout(LayoutKind.Sequential)]
internal struct OsVersionInfo
{
    private readonly uint OsVersionInfoSize;

    internal readonly uint MajorVersion;
    internal readonly uint MinorVersion;

    private readonly uint BuildNumber;

    private readonly uint PlatformId;

    [MarshalAs(UnmanagedType.ByValTStr, SizeConst = 128)]
    private readonly string CSDVersion;
}

Donde los números de versión Mayor y Menor en esta estructura corresponden a los valores en la tabla de la respuesta aceptada.

Esto devuelve el número de versión de Windows correcto a diferencia de las funciones obsoletas GetVersion y GetVersionEx del kernel32

1. Añadir referencia a Microsoft.VisualBasic.
2. Incluir espacio de nombres using Microsoft.VisualBasic.Devices;
3. Utilizar new ComputerInfo().OSFullName

El valor de retorno es "Microsoft Windows 10 Enterprise"

De una sola mano:

public string GetOSVersion()
{
  int _MajorVersion = Environment.OSVersion.Version.Major;

  switch (_MajorVersion) {
    case 5:
      return "Windows XP";
    case 6:
      switch (Environment.OSVersion.Version.Minor) {
        case 0:
          return "Windows Vista";
        case 1:
          return "Windows 7";
        default:
          return "Windows Vista & above";
      }
      break;
    default:
      return "Unknown";
  }
}

Luego simplemente envuelva un caso de selección alrededor de la función.

¿Qué tal usar un Registro para obtener el nombre?

"HKEY_LOCAL_MACHINE \ SOFTWARE \ Microsoft \ Windows NT \ CurrentVersion" tiene un valor ProductName desde Windows XP.

[DllImport("kernel32.dll")]
static extern IntPtr GetCurrentProcess();

[DllImport("kernel32.dll")]
static extern IntPtr GetModuleHandle(string moduleName);

[DllImport("kernel32")]
static extern IntPtr GetProcAddress(IntPtr hModule, string procName);

[DllImport("kernel32.dll")]
static extern bool IsWow64Process(IntPtr hProcess, out bool wow64Process);

public static bool Is64BitOperatingSystem()
{
    // Check if this process is natively an x64 process. If it is, it will only run on x64 environments, thus, the environment must be x64.
    if (IntPtr.Size == 8)
        return true;
    // Check if this process is an x86 process running on an x64 environment.
    IntPtr moduleHandle = GetModuleHandle("kernel32");
    if (moduleHandle != IntPtr.Zero)
    {
        IntPtr processAddress = GetProcAddress(moduleHandle, "IsWow64Process");
        if (processAddress != IntPtr.Zero)
        {
            bool result;
            if (IsWow64Process(GetCurrentProcess(), out result) && result)
                return true;
        }
    }
    // The environment must be an x86 environment.
    return false;
}

private static string HKLM_GetString(string key, string value)
{
    try
    {
        RegistryKey registryKey = Registry.LocalMachine.OpenSubKey(key);
        return registryKey?.GetValue(value).ToString() ?? String.Empty;
    }
    catch
    {
        return String.Empty;
    }
}

public static string GetWindowsVersion()
{
    string osArchitecture;
    try
    {
        osArchitecture = Is64BitOperatingSystem() ? "64-bit" : "32-bit";
    }
    catch (Exception)
    {
        osArchitecture = "32/64-bit (Undetermined)";
    }
    string productName = HKLM_GetString(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion", "ProductName");
    string csdVersion = HKLM_GetString(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion", "CSDVersion");
    string currentBuild = HKLM_GetString(@"SOFTWARE\Microsoft\Windows NT\CurrentVersion", "CurrentBuild");
    if (!string.IsNullOrEmpty(productName))
    {
        return
            $"{productName}{(!string.IsNullOrEmpty(csdVersion) ? " " + csdVersion : String.Empty)} {osArchitecture} (OS Build {currentBuild})";
    }
    return String.Empty;
}

Si está utilizando .NET Framework 4.0 o superior. Puede eliminar el método Is64BitOperatingSystem () y usar Environment.Is64BitOperatingSystem .

Primera solución

Para asegurarse de obtener la versión correcta Environment.OSVersion, debe agregar un app.manifestuso de Visual Studio y descomentar las siguientes supportedOSetiquetas:

  <compatibility xmlns="urn:schemas-microsoft-com:compatibility.v1">
    <application>
      <!-- A list of the Windows versions that this application has been tested on
           and is designed to work with. Uncomment the appropriate elements
           and Windows will automatically select the most compatible environment. -->

      <!-- Windows Vista -->
      <supportedOS Id="{e2011457-1546-43c5-a5fe-008deee3d3f0}" />

      <!-- Windows 7 -->
      <supportedOS Id="{35138b9a-5d96-4fbd-8e2d-a2440225f93a}" />

      <!-- Windows 8 -->
      <supportedOS Id="{4a2f28e3-53b9-4441-ba9c-d69d4a4a6e38}" />

      <!-- Windows 8.1 -->
      <supportedOS Id="{1f676c76-80e1-4239-95bb-83d0f6d0da78}" />

      <!-- Windows 10 -->
      <supportedOS Id="{8e0f7a12-bfb3-4fe8-b9a5-48fd50a15a9a}" />

    </application>
  </compatibility>

Luego, en su código, puede usar Environment.OSVersionasí:

var version = System.Environment.OSVersion;
Console.WriteLine(version);

Ejemplo

Por ejemplo, en mi máquina ( Windows 10.0 Build 18362.476) el resultado sería así, lo cual es incorrecto :

Microsoft Windows NT 6.2.9200.0

Al agregar app.manifesty descomentar esas etiquetas obtendré el número de versión correcto:

Microsoft Windows NT 10.0.18362.0

Solución alternativa

Si no le gusta agregar app.manifesta su proyecto, puede usar el OSDescriptionque está disponible desde .NET Framework 4.7.1 y .NET Core 1.0.

string description = RuntimeInformation.OSDescription;

Nota: No olvide agregar la siguiente instrucción de uso en la parte superior de su archivo.

using System.Runtime.InteropServices;

Puede leer más sobre esto y las plataformas compatibles aquí .

Las respuestas anteriores me darían la Majorversión 6en Windows 10.

La solución que he encontrado que funciona sin agregar bibliotecas VB adicionales fue la siguiente:

var versionString = (string)Microsoft.Win32.Registry.LocalMachine.OpenSubKey("Software\\Microsoft\\Windows NT\\CurrentVersion")?.GetValue("productName");

No consideraría que esta sea la mejor manera de obtener la versión, pero lo bueno es que no tiene bibliotecas adicionales y, en mi caso, verificar si contiene "10"es lo suficientemente bueno.

No compliques demasiado el problema.

string osVer = System.Environment.OSVersion.Version.ToString();

if (osVer.StartsWith("5")) // windows 2000, xp win2k3
{
    MessageBox.Show("xp!");
}
else // windows vista and windows 7 start with 6 in the version #
{
    MessageBox.Show("Win7!");
}