Watch Movies Online.
Playing MKVs in Media Center. Don’t like codec packs?
Try this: MKVs for Minimalists on Windows 7 The first step to playing MKV (Matroska) video files in your Media Center is to make sure your system is capable of playing MKV files in the first place. There seem to be innumerable ways to accomplish this and everyone has their own preference. For the sake of this small post I’m going to recommend a codec pack. VideoHelp.com - Forum, Guides, Tools and hardware lists.
Video Conversion.