

Select the rest of the video on the timeline and move it to the start of the timeline.Click the red square at the bottom of the playhead, highlight the section before that and delete.

On the Timeline, drag the playhead to the point where you’re smiling and relaxed just before the start of your presentation.The Inspector (where editing magic happens).The vertical bar on the timeline that you can drag back and forth is called the playhead. The Timeline (the bar at the bottom that contains your video).The Viewer (where you can preview your video),.I have in-depth tutorials here, here and here. Next is a quick and easy tutorial on ScreenFlow. Once you’re done, exit PowerPoint and click the camera with a dot in the middle on the Toolbar.Relax, take a deep breath, smile, and Start your presentation.Switch over to your PowerPoint presentation and click Play or Start the slide show.A countdown box will pop up that confirms the things you just set up. Click the red record button on the bottom.Optional Tick Record Computer Audio if you want to record the sounds produced by your computer – sound effects, music, etc.

In this case, I chose the internal microphone.
