After you plan and set up your PowerPoint presentation, it's time to present it. To do this, select Slide Show, View Show or press F5.
Before presenting your show live, you should preview it to test content, flow, and narration. After you determine that your show itself is flawless, you should work on perfecting your delivery, particularly if you don't deliver live presentations on a regular basis. By simulating live conditions as much as possible in your practice sessions, you'll increase your odds of delivering a perfect presentation.
PowerPoint presents a show using the settings you enter in the Set Up Show dialog box. For example, you can view in a browser or full screen, depending on what you entered in this dialog ...