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This article is a candidate for merging.

This page should be merged into Microsoft Windows/Codename because they are based on the same topic but the earlier is used more.. Remember to check what links here and the page history before merging. If you disagree with the merging, please explain why on the candidates for merging talk page. This template may only be removed after discussion is resolved on the aforementioned page.

1991-2001 Windows 3.1 (Janus)

1991-2001 Windows NT 3.1 (Razzle)

1994-2001 Windows NT 3.5x (Daytona)

1993-2001 Windows 95 (Chicago, formerly Sign)

1995-2004 Windows NT 4.0 (Cairo, formerly SUR)

1996-2004 Windows NT 4.0 Terminal Server (Hydra)


1995-2006 Windows 98 (Memphis)

1996-2010 Windows 2000 (NT 5.0)

1998-2006 Windows ME (Millennium)


1999-2001 Windows 2000 Canceled Home Edition (Neptune) 


2000-2014 Windows XP (Whistler)

2000-2015 Windows Server 2003 (Whistler Server)

2002-2017 Windows Vista (Longhorn)

2003-2020 Windows Server 2008 (Longhorn Server)

2007-2020 Windows 7 (Vienna, formerly Blackcomb)

2011-2016 Windows 8.0 (Greenhouse)

2013-2023 Windows 8.1 (Blue)