XP Codec Pack is one of the most complete codec pack which helps you to play all major audio and video formats.
And... to complete your multimedia experience, instead of 3 or 4 different players you get one, simple integrated player that plays almost all audio and video files: Media Player Classic.

Includes:
* AC3Filter 1.46
* AVI Splitter 1.0.0.9
* CDXA Reader 1.0.0.2
* CoreAAC (AAC DirectShow Decoder) 1.2.0
* CoreFlac Decoder 0.4
* FFDShow MPEG-4 Video Decoder 2007.07.01
* GPL MPEG-1/2 Decoder 0.1.2.0
* Matroska Splitter 1.0.3.0
** Media Player Classic 6.4.9.1
* OggSplitter/CoreVorbis 1.1.0.79
* RadLight APE Filter 1.0.0.4
* RadLight MPC Filter 1.0.0.4
* RadLight OFR Filter 1.0.0.4
* RealMedia Splitter 1.0.1.2
* RadLight TTA Filter 1.0.0.2
* The Codec Detective 2.0
* VSFilter (DirectVobSub) 2.38

Some features:
* clean & compact
* no spyware / adware / viruses included
* easy to use
* easy to install / uninstall
* multilanguage support
* 100% legal
* 100% freeware!