[xenoMED]

You can go to this link PowerPoint Presentations and then click on the Add

1. File Name (Use title of the PowerPoint)
2. Author (Name of the person who created this PowerPoint)
3. Description (Brief description about the PowerPoint)
4. Category (Chose existing category list if it doesn't fit any category then chose "PowerPoint Presentations")
5. Upload a file (Locate the PowerPoint through browse)
6. Click on the "Add File"

Thats it wait till it completely uploaded.

Thanks for sharing with us.