laravel 6 requirementes code example
Example 1: install laravel 5.8
composer create-project --prefer-dist laravel/laravel blog "5.8.*"
Example 2: installing laravel 8
composer create-project --prefer-dist laravel/laravel ProjectName dev-develop
composer create-project --prefer-dist laravel/laravel blog "5.8.*"
composer create-project --prefer-dist laravel/laravel ProjectName dev-develop