You may want to use two monitors for your presentation—one you run the show from and one the audience sees. This enables you to run another program while the show runs if you want, and to use Presenter view with tools to make running a show easier.
Work with Multiple Monitors and Resolution
SET UP MULTIPLE MONITORS
1 Click the Slide Show tab.
2 Click Set Up Slide Show.
The Set Up Show dialog box displays.
3 Click and select the monitor to show the presentation on.
4 Click the Show ...