Answers for "laravel app install"

insall laravel

composer global require laravel/installer 
laravel new blog

how to install new project in laravel

You can create project by 2 ways:

First is installing it without defining version:
composer create-project laravel/laravel yourProjectName

Secondly you can install by defining version:
composer create-project laravel/laravel="VersionOfYourChoice" yourProjectName