Windows Media Player 6.4

Windows Media Player 6.4 is a version of Windows Media Player released in 1999 for Windows 95, Windows NT 4.0, Windows 98 and as part of Windows 2000. It is also present in Windows Me, Windows XP and Windows Server 2003, although it is hidden in the  directory. It was discontinued in Windows XP Media Center Edition 2005 and finally removed in Windows Vista build 5048.

Windows Media Player 6.4 is also included with Internet Explorer versions 5.01, 5.5 and 6.0 as an optional component and is also installed with Windows Media Player 7 on Windows 95 and 98 and also Windows Media Player 9 on Windows 98 SE, Windows 2000, Windows Me, Windows XP and Windows Server 2003, as well as Windows Media Player 10 on Windows Server 2003 SP1+ and Windows XP x64 Edition. It is the last version of Windows Media Player to officially run on Windows NT 4.0, as the following version, Windows Media Player 7.0 supports only Windows 95 or later.