How to share a video on Facebook
If you are using YouTube to share a video on your Facebook Timeline then the process is simple.
1. On YouTube search for your video.
2. Then, when video loaded click the Share link near the description.
3. Typically, there will be three icon; Facebook, Twitter and Google+. Select your option.
4. Lastly, if you're not log into Facebook you will be asked to do so.
Then a thumbnail of the video will appear and a text area for you to write your comment before posting on your Timelime in Facebook.