1. View your lookback (https://www.facebook.com/lookback) using your Chrome Browser. Remember, this won’t work on Internet Explorer or Firefox.
2. Click the menu bars in upper right hand corner of your browser. Go to Tools > Developer Tools.
3. Click on “Network” tab of the pop up window.
4. Play the video, several times until you See a name roll through that has a type that is “video/mp4.”
5. Right click on the name/path of that video/mp4.
6. Select “Open in New Window.”
7. Right click again. Select “Save Video As” to save your video.
8. Upload it to facebook to share.