Microsoft Windows Server Operating Systems

Windows Server 2025 Released November 2024
Windows Server 2022 Released August 2021
Windows Server 2019 Released October 2018
Windows Server 2016 Released September 2016
Windows Server 2012 R2 Released October 2013
Windows Server 2012 Released September 2012
Windows Home Server 2011 Released April 2011
Windows Server 2008 R2 Released October 2009
Windows Server 2008 Released February 2008
Windows Home Server Released November 2007
Windows Server 2003 R2 Released December 2005
Windows Server 2003 Released April 2003
Windows 2000 Released September 2000
Windows 2000 Released February 2000
Windows NT 4.0 Released August 1996
Windows NT 3.51 Released May 1995
Windows NT 3.5 Released September 1994
Windows NT 3.1 Released July 1993