In order to install Laravel 5, just add
"l5starter/core": "5.4.x-dev"to your composer.json. Then run composer install or composer update.
Then in your config/app.php add in providers
Prettus\Repository\Providers\RepositoryServiceProvider::class,
Laracasts\Flash\FlashServiceProvider::class,
Collective\Html\HtmlServiceProvider::class,
L5Starter\Core\CoreServiceProvider::class,and add in aliases
'Form' => Collective\Html\FormFacade::class,
'Html' => Collective\Html\HtmlFacade::class,
'Flash' => Laracasts\Flash\Flash::class,Publish Configuration
$ php artisan vendor:publish --provider="L5Starter\Core\CoreServiceProvider"Running Authentication Quickstart
$ php artisan make:authRunning Migrations
$ php artisan migrate