Windows Desktop Operating Systems by Microsoft

Windows 11 (Germanium 24H2) Released October 2024

Windows 11 (Nickel 23H2) Released October 2023

Windows 11 (Nickel 22H2) Released September 2022

Windows 11 (Cobalt) Released October 2021

Windows 10 (Vibranium 22H2) Released October 2022

Windows 10 (Vibranium 21H2) Released November 2021

Windows 10 (Vibranium 21H1) Released May 2021

Windows 10 (Vibranium 20H2) Released October 2020

Windows 10 (Vibranium 2004) Released May 2020

Windows 10 (Vanadium) Released November 2019

Windows 10 (19H1) Released May 2019

Windows 10 (Redstone 5) Released November 2018

Windows 10 (Redstone 4) Released April 2018

Windows 10 (Redstone 3) Released October 2017

Windows 10 (Redstone 2) Released April 2017

Windows 10 (Redstone 1) Released August 2016

Windows 10 (Threshold 2) Released November 2015

Windows 10 (Threshold) Released July 2015

Windows 8.1 Released October 2013

Windows 8 Released October 2012

Windows 7 Released October 2009

Windows Vista Released January 2007

Windows XP (Anvil) Released April 2005

Windows XP (Emerald) Released October 2005

Windows XP (Symphony) Released October 2004

Windows XP (Harmony) Released September 2003

Windows XP (Freestyle) Released October 2002

Windows XP (Whistler) Released October 2001

Windows Me Released September 2000

Windows 2000 Released February 2000

Windows 98 SE Released June 1999

Windows 98 Released June 1998

Windows NT 4.0 Released August 1996

Windows 95 Released August 1995

Windows NT 3.51 Released May 1995

Windows NT 3.5 Released September 1994

Windows 3.2 Released November 1993

Windows 3.11 Released November 1993

Windows NT 3.1 Released July 1993

Windows 3.1 Released April 1992

Windows 3.0 Released May 1990

Windows 2.11 Released March 1989

Windows 2.1 Released May 1988

Windows 2.03 Released December 1987

Windows 2.01 Released December 1987

Windows 1.04 Released April 1987

Windows 1.03 Released August 1986

Windows 1.02 Released May 1986

Windows 1.01 Released November 1985