How can I download the video on FB "without installing the program"? Just modify the URL to download the video on Facebook, super easy and fast!

Step 1. Select a video on FB and click to start it.
For example:  https://www.facebook.com/story.php?story_fbid=2102101933158739&id=1397819770471908&_rdr

 Step 2. Change "www" to "mbasic" and press Enter.


 Step 3. Press the video to let it play, be sure to let it start playing first.




What about YouTube videos? Please see " Change URL "to download YouTube video to mp3 or mp4 file"