The hardware setup includes a primary monitor and 2 more monitors connected to the computer. PowerShow allows you to use this setup to show 2 different slide shows on 2 monitors and allows you to control both the presentations on the primary monitor.

The following configuration steps are for PowerPoint 2000 and newer versions:

1. Open the 2 presentations (say, Pres1.ppt, Pres2.ppt) in PowerPoint.
    
2. Select Slide Show | Power Show... item.
    
3. On the Presentations tab, set up the configuration as follows:
   1. Select <Session Controller> and 1 monitor.
   2. Select your Pres1.ppt <Slide Show> in the second row and 1 monitor.
   3. Select your Pres2.ppt <Slide Show> in the third row and 1 monitor.
       
4. Click Start Show button.

Related Tip: How do I see multiple slide shows on different monitors and control all of them through a single console?