In this video tutorial from Microsoft, you will learn how to record your PowerPoint presentation.

You can record your PowerPoint presentation—or a single slide—and capture voice, ink gestures, and your video presence. When completed, it’s like any other presentation. You can play it for your audience in a Slide Show or you can save the presentation as a video file. So, instead of just “handing the deck” to someone, people can see your presentation with the passion and personality intact.

Learn more: https://support.microsoft.com/en-us/office/record-a-slide-show-with-narration-and-slide-timings-0b9502c6-5f6c-40ae-b1e7-e47d8741161c