The following screencasts show you all you need to know about installing and using AxPyMOL:

* Installing and Using AxPyMOL [23MB MP4]

* Uninstalling AxPyMOL [1.6MB MOV]

1. Open your presentation in PowerPoint
2. PPT 2010: On the Slide Show tab, click Set Up Slide Show.
   PPT 2007: On the Slide Show tab, Set Up group, click Set Up Slide Show.
   Or in earlier versions, on the main menu bar choose Slide Show, Set Up Show …
3. The Set Up Show dialog box appears
4. Click Browsed at a kiosk (full screen)
5. Click OK

Reference: http://www.pptfaq.com/FAQ00757_Disable_mouse_and_keyboard_control_during_a_presentation.htm