1. In Stream, click the video that you want to like.

  2. Click the Like icon above the video.

    Like a video

    The heart will be filled with color.

Unlike a video

  • To unlike a video that you previously liked, click the heart icon.

See how many people liked a video

  • Look at the details of the video on the video player page or in a list of videos when you're browsing.

    Like a video

Source: Microsoft