The components of Codec Installation Package for Windows Media Player 7.1 or later are Windows Media Audio 9; Windows Media Screen 9; Windows Media Audio 9 Voice; Windows Media Video 7, 8, and 9; Microsoft MPEG-4 version 3; Microsoft MPEG-4 version 1 and 2 - ISO MPEG-4 version 1 and 1.1.
In case you have installed this pack and still cannot play multimedia contents in a webpage, you are advised to download the codec installation package for Windows Media Player 6.4 too.
The supported operating systems for this codecs pack are Windows XP Home Edition, Windows XP Media Center Edition, and Windows XP Professional Edition.
The installation process is fast and simple and you can start the installation immediately by clicking on Open or Run this program from its current location or you can save the installation file to your computer and run it later.
With Codec Installation Package for Windows Media Player 7.1 or later you are sure you can play some of the most common multimedia format files; nevertheless, DivX or Xvid files and streams are not supported.
This package was known as Windows Media Player 9 Codecs Pack and it was designed for network administrators interested in offering support for the latest Windows Media Audio and Video codecs for enterprise computers which run the following applications: Windows Media Player 7.1, Windows Media Player for Windows XP, Windows Media Player 9 Series, and Windows Media Player 10.