Everything you need to be able to watch this video in x.264 can be found in this folder (ffdshow & matroska splitter (+ media player classic)). 
When installing the ffdshow and you get to a section entitled "Video Decoders", 
be sure you check the box for "H.264, X264".
Make sure that post processing is turned off while watching (right click the ffd icon in your system tray
while playing back the video). 
