Requirements:

Composer (for windows users, here is the .exe direct link)
a database management system (like MySQL or MariaDB)
optional :
- administration tool for the DB (PhpMyAdmin)
- php server (we will use laravel own php artisan serve)

Installation:

Clone the project
Go to the application folder using cd command on your cmd or terminal
Run composer install on your cmd / terminal
Create an new database (named for example larashop, using a tool like phpmyadmin)
Copy .env.example file to .env on the root folder
Open your .env file and change the database name (DB_DATABASE), username (DB_USERNAME) and password (DB_PASSWORD) fields corresponding to your configuration
Run the following commands:
php artisan key:generate
php artisan migrate
php artisan db:seed
php artisan serve
Go to localhost:8000