Windows 5.1

Windows 5.1 is a release date April 17, 2001.

Editions

 * Professional
 * Home Edition
 * Workstation
 * Server
 * Home Server
 * Essential
 * Ultimate (2002)
 * Tablet PC Edition (2002)
 * Media Center Edition (2002)
 * Slim (2006)
 * End-of-Life (2014)