Crear versión específica del proyecto Laravel
composer create-project laravel/laravel="5.1.*" appName
Inquisitive Iguana
composer create-project laravel/laravel="5.1.*" appNamecomposer create-project laravel/laravel=7.0 my-project-name --prefer-distcomposer create-project laravel/laravel your-project-name versioncomposer create-project laravel/laravel=4.1.27 your-project-name --prefer-dist