How to Remove video and audio DRM Protection such as iTunes M4P, M4V, M4A

Many online music stores employ DRM to restrict usage of music purchased and downloaded online such as the iTunes Store, Napster music store, Windows Media DRM, etc, so you can not share your movies and songs with others, even edit or upload, the step by step guide below to show how to remove DRM from iTunes purchased music and video files so that you can play them on non-Apple portable players like Zune, PSP, BlackBerry, Creative Zen, import them into your Windows Movie Maker project, etc.

Question:
Is there a program that can remove the iTunes DRM protection from my purchased M4V files?

Answer:
You don't need to buy any DRM removal software for your DRM protected M4V, M4P files, because you can re-record any video from screen using screen video capture software.