1. Click on the video, before playing it, to your top left click on the dash menu.
2. Many options will appear, you’ll see COPY LINK. (Click on copy link).
3. Open your browser (Chrome or Operamini)
In the search engine, type Fbdown.net and send.
A box will appear, paste the link and click on download at the left side.
4. Options will be brought. Click on more options and force download SD will appear. Click on it.
The video will start downloading directly to your SD.