If you want to download movies from YouTube you must install a YouTube converter mp4 app on your computer, While I recommend this tool you need to conduct your own research to figure out which one you like the most. These YouTueb converter mp4 apps will let you download a streaming video from YouTube but not all of these applications work the same way so what you need to do is install each of these YouTube converter mp4 apps is th easiest to use.  Thanks to this software you now have the ability to download free videos from Youtube so take a few moments to compare each of these applications until you find the one you like to use.