When you are adding a video to the Vimeo content library or when you need to add a video to a course or program, you may need to check that the video is properly displayed and played to learners.
To preview a video:

Note: After uploading a new video to the source folder on Vimeo, you need to wait until it's fully processed (this may take up to 30 minutes). You can then preview or add the video to courses in the Learn.