Windows 9x (95, 98, Me), Windows 2000, and Windows XP.
represents a significant milestone in the history of peer-to-peer (P2P) file sharing. Released on December 14, 2004 , by Frontcode Technologies , this version was the final major update intended for the official client before legal challenges led to the service's primary shutdown in 2005. Key Features and Improvements WinMX 3.54 Beta 4 for Windows