Here’s how to get the Form and Html Builder package back when using Laravel 5.
composer require illuminate/html
Then, in /config/app.php add the following to the providers and aliases arrays:
'providers' => [ ... 'Illuminate\Html\HtmlServiceProvider', ], 'aliases' => [ ... 'Form'=> 'Illuminate\Html\FormFacade', 'HTML'=> 'Illuminate\Html\HtmlFacade', ],