Follow the steps bellow after unpacking the archive.
Open ./backend/library/config/config.inc.php and ./page/library/config/config.inc.php
Change the MySQL Login Data and Serial to yours.
Upload the /backend and /page Folder into the Public Folder of your Webspace (The Folder is called usally Public HTML or httpdocs)
Set CHMOD 777 for /page/license , /backend/license and /backend/backups.
Important: You must set CHMOD 777 for both license folders else sFS wont work.
Enter the path where you have uploadet the script into your browser and go to backend/install/install.php and follow the instructions from the install wizzard
Delete the whole install Folder
Go to the Admin Panel and make your Settings
Create addional Pages if required.
Please note that you need for every new Page a new Serial Key if you dont have a unlimited Key (else you can enter in every config.inc.php the same keys)