How to Download Videos From Facebook without any tool ?

Step 1: Open your Facebook account in your computer browser (Chrome , Firefox ).

Step 2: Now just change the URL by replacing WWW by m (by doing this you are actually opening its mobile version)

example : https://www.facebook.com/photo.php?v=10202124278255917
to 
https://m.facebook.com/photo.php?v=10202124278255917

Step 3: Now play the video you want to download.

Step 4: Right click the video and select Save Video As. Your Video will Start Downloading.


How to Download Videos From Facebook without any tool ?