How to make youtube shorts.

1. **Select Existing Content**: Find a video you've previously uploaded on YouTube or have access to.

2. **Shorten the Video**: Use YouTube's video editor to trim the video down to the desired short length (maximum 60 seconds for Shorts). Go to YouTube Studio, select "Videos," and choose the video you want to edit. Click the "Editor" tab, and then "Trim."

3. **Add Music or Text**: You can use YouTube's built-in music library or add text overlays. In the editor, go to the "Audio" or "Text" tab to make these adjustments.

4. **Publish as Shorts**: Once you're satisfied with the shortened video and any added elements, publish it as a YouTube Short. You can do this from the editor by clicking the "Shorts" tab.