The fastest and simplest way of installing Laravel is via composer command. From the laravel docs (http://laravel.com/docs/quick), it shows that we can install it with this:
If you want to use a stable version of your preferred Laravel version of choice, use:
composer create-project --prefer-dist laravel/laravel project-name "5.5.*"
That will pick out the most recent or best update of version 5.5.* (5.5.28)