Open Question: I am trying to burn some Movies onto a Blank DVD how do I do it without any DVD Burning Program?

Is there a way for me to do this on my D: Hardrive, if not what program should I use to do it that would be simple. I downloaded a few movies from online but now I want to watch them on my TV but I am unsure how to burn them without any programs. When downloading them what type of quality picture would I get?