An intuitive support system with just the right amount of transparency and privacy. Don't just claim that you have a good support team, show it publicly.
Pull it using git clone.
Copy and rename the .env.example to .env then edit the .env file to point it to your database. Also set the other config parameter (like mailgun credentials, recaptcha keys, google analytics code etc)
Also set MAIL_DRIVER=log in the .env file
Run composer install and composer update (if required).
Then run php artisan migrate and php artisan key:generate and php artisan db:seed and php artisan cache:clear command in order to migrate the database structures.
You should be able to see a welcome page when you point your web browser to the public directory
For admin interface, go to the hidden login uri (check the route named login in routes.php file).
The person who tries to login for the first time will be prompted with the default email/password below the login screen.
Login using that info and go to users->click on user name->click on edit and set your Name, Email and Password
That users will be treated as super user and be able to perform super admin tasks