VLC media player for WindowsFeatures
Simple, Powerful and Fast
Plays everything, Files, Discs (DVD, CD, VCD), Devices and Streams
Plays most codecs with no codec packs needed
Completely Free, 0 Spyware, Ads or User Tracking
Best Mpeg2, x264, DivX player
Works on most platforms: Windows, Linux, Mac, Unix...
Media Converter and Streamer
VLC currently supports Windows 2000 (SP4+UR1), XP, Vista and 7.
http://www.videolan.org/vlc/download-windows.html