- Open up a Google Slides presentation.
- Click on the "Insert" menu and choose "Video" from the list.
- Choose where the video comes from. Are you going to run a YouTube search, paste in a YouTube URL, or search for the video in your Google Drive? Choose the correct tab for your choice.
- Click on the video you wish to use and click on the "Select" button.
If you use a video from your Google Drive, remember to adjust the sharing settings on the video file itself so that others who view your presentation can also view the video.