Change the privacy of a video clip at YouTube.

1. Log in as you.
2. Go to the https://www.youtube.com URL for the video clip.
3. Click the "EDIT VIDEO" button at the lower right of the video itself.
4. At the lower right of the pane of controls that appears there will be a drop down menu which is unlabeled but contains: Public, Unlisted, and Private
5. Make a change and then press the "Save changes" button at the far lower right.