The script is 99.9% unencoded and easy to modify to suit your visual desire and business logic. More info about the architecture and framework for the script.
The files that are enconde need the ionCube PHP loader which is included in the mayority of hosting plans/companies.
- ionCube PHP Loader.... It is very important that you check with your hosting company so that they can enable or show you how to enable the ionCube PHP Loader
More details about ionCube loaders HERE