The Vista Codec Package is compatible with all versions of Windows XP.
You can choose any media player you want, everything will play.
The following filetypes are enabled and SUPPORTED by the installation of the Vista Codec Package.
amr | mpc | ofr | divx | mka | ape | flac | evo | flv | m4b | mkv | ogg | ogv | ogm | rmvb | xvid
All of the above filetypes can be queue'd to the Windows Media Player Playlist using a rightclick.