The Powerpoint presentations are in pps format, so all you need to do is click anywhere on the screen to move to the next slide.
All other files are saved in Adobe Acrobat, therefore you will need an Adobe Acrobat Viewer to see it. The advantage of using the Adobe Acrobat viewer is that you are able to see and print the notes as they appear on the hard copy. To download Adobe Acrobat viewer for all platforms, click here.