Help to install the script online casino hosting

Theres this instruction:
The project must be installed on the Server!!!
1) Unzip, fill in the files.
2) Create a database
3) Pour from the bd file.sql
4) to Register the path to the file engine/config/config_db.php
The installation is complete
Another was a recommendation, Installed on your hosting php version 5.3

You need to tell me where and what to buy, unpack it and make sure that would work.