As far as I know, the Windows 2000 source code leak was incomplete, actually; or if it isn't, then not the entire thing ended up getting leaked. For example, th

As far as I know, the Windows 2000 source code leak was incomplete, actually; or if it isn't, then not the entire thing ended up getting leaked. For example, the code to the setup program was missing. To the best of my knowledge, the most recent complete leak was NT 4.0. That one did have a short-lived burst of retro affectionados under the name "OpenNT 4.0", though it's not entirely clear if it died on its own or if a cease & desist helped that along.