Windows Media Player 9 Series is available for Microsoft Windows 98 Second Edition, Microsoft Windows Millennium Edition (Me), Microsoft Windows 2000, and Microsoft Windows XP. Microsoft recommends that you upgrade to Windows Media Player 9 Series to maximize audio quality, video quality, and performance, and to make sure that you have the latest version of the player.
For information about new features in Windows Media Player 9 Series, visit the following Microsoft Windows Media Technologies Web site:
Developers or digital media professionals who want to integrate the latest Windows Media 9 Series technology can use the encoder or the Microsoft Windows Media 9 Series Software Development Kit (SDK). For additional information about the Windows Media 9 Series products, visit the following Microsoft Windows Media Technologies Web site: