Unfortunately, unless there's an obvious download link on the site, we have to assume that the site does not want people to be able to download the video. So, either get permission from the site, in this case Facebook, or I'm afraid your SOL. At least as far as help goes from here.
i really hate being a computer idiot. i really want to download this video to my computer, but can't my best friend recently passed away and this was a video they played at his funeral. can anyone help? thanks. i dont see any downloading options, just where i can share it