Windows Media Codec Pack is the freeware codec pack for all version of Windows. It allows for 99% video play and supports all popular audio and video formats, including DVDs, Xvid, MP4, Real, and many more.
This codec pack is user-friendly and easy to install. It is suitable for both novice and expert users. This codec pack supports playback and recording, while being constantly updated and maintained. The best part about Windows Media Codec Pack is that it's absolutely FREE!