How do you put music videos on a mp4 player?

I purchased a V Touch 8 gb and i don`t know how to put music videos on it.I already downloaded some music videos but when i put them on the v touch it doesn`t play.Please and thankyou for your help.=)

I’d recommend Video Download Studio to you,It enables you put music videos on a mp4 player.

http://www.downloadvideos-convert.com/online-video-converter.html