Student Guide to Using Moodle | Defnyddio Moodle - Canllaw i Fyfyrwyr
If your computer can not open Word, Excel, PowerPoint or Access then maybe you don't have the Microsoft Office package installed on your PC.
To overcome this you could install Open Office. Open Office is free software that is compatible with Microsoft Office. It is available on the Internet and will enable you to open Microsoft Office documents.
It is a large download.
More information is available at http://www.openoffice.org/