You will notice additional files and folders appear in your project :
config/installer.php : Set the requirements along with the folders permissions for your application to run, by default the array contains the default requirements for a basic Laravel app.
public/installer/assets : This folder contains a css folder and inside it you will find a main.css file, this file is responsible for the styling of your installer, you can overide the default styling and add your own.
resources/views/vendor/installer : Contains the HTML code for your installer.
resources/lang/en/installer_messages.php : This file holds all the messages/text.
Installing your application
Install: In order to install your application, go to the /install url and follow the instructions.