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 Windows 2000. It is also present in Windows Me, Windows XP and Windows Server 2003, although it is hidden in the  folder.

Windows Media Player 6.4 is the last version that is officially compatible with Windows NT 4.0.