This article describes how to determine the version of Windows Media Player on your computer.

To determine the version of Windows Media Player, click About on the Help menu in Windows Media Player, and then note the version number below the Copyright notice.

   Version number   Version of Windows Media Player (WMP)
   ----------------------------------------------------------------
   5.1.51.421       WMP 5.2 Beta
   5.1.52.701       WMP 5.2 
   6.02.902         WMP 6.0
   6.1.5.130        WMP 6.0 Internet Explorer 5 RC0 Beta
   6.1.7.217        WMP 6.0
   6.2.5.410        WMP 6.2 Beta
   6.4.5.809        WMP 6.4
   6.4.6.*          WMP 6.4 for Windows 2000 Betas
   6.4.7.1028       WMP 6.4 with multi-bit rate (MBR) updates for
                    Internet Explorer
   6.4.7.1112       WMP 6.4 with MBR updates (minor error messaging
                    updates from 6.4.7.1028)
   6.4.9.*          WMP 6.4 for Windows 2000 only
   7.0.0.1954       WMP 7
   7.0.0.1958       WMP 7 Update
   7.0.0.1956       WMP 7 with Setup updates
   7.0.0.1440       WMP 7 for Windows Millennium Edition (Me)
   7.01.00.3055     WMP 7.1
   8.00.00.4477     WMP for Windows XP 
   9.00.00.2980     WMP 9 Series for Windows XP, Windows 98 Second 
                    Edition, Windows Me, and Windows 2000
   9.00.00.2991     WMP 9 Series for Windows Server 2003
  10.00.00.3646     WMP 10
  11.0.5721.5230    WMP 11 for Windows XP 
  11.0.6000.6344    WMP 11 for Windows Vista