Convertx to dvd changes the format by itself to burn it on to a dvd. Whether you downloaded it online or copied a movies from one that you have with dvd shrink. This program will keep a back up file on your computer. Unles you choose to have it deleted when it is done converting. It usually takes about and hour to burn a dvd depending on the size of your movie being burnt and the speed of your burner. All of these things will effect how long it takes for your dvd to be burnt below i have provided a link but you must have utorrent to download it . I will provide another hubpage on how to use utorrent.