Upload Public.zip and extract on your host.
Create new mysql database and upload cutenzkeygen.sql into your database.
allow visitors to connect to your MySQL databases.(% wildcard is allowed)(If not Csharp application will not work
Edit application\config\database.php and Replace Mysql database credentials with your connection credentials.
Admin Credentials :
Username: admin Password: admin#123
Username: seller Password: admin#123
Check documentation for more information.