Follow these steps to embed a YouTube video in PowerPoint: (1) Open PowerPoint and go to the slide where you want to embed the video, (2) Go to the YouTube video page and copy the video’s URL, (3) In PowerPoint, go to the Insert tab, click on Video, and select Online Video, (4) Paste the YouTube video’s URL and click Insert, (5) Adjust the size and position of the video on the slide as needed, (6) Save the PowerPoint presentation.