Windows 10: versions and build numbers

Update 2022/09

Windows 10 November 2021 Update 

Version 21H2

Release Date: 2021/11/16

Windows 10 May 2021 Update 

Version 21H1 (OS build 10.0.19043)

Release Date: 2021/05/18

Windows 10 October 2020 Update
Version 20H2 (OS build 10.0.19042)

Windows 10 May 2020 Update

Version 2004 (OS build 10.0.19041)

Windows 10 November 2019 Update

Version 1909 (OS build 10.0.18363)

Windows 10 May 2019 Update

Version 1903 (OS build 10.0.18362)

Windows 10 October 2018 Update
Version 1809 (OS build 10.0.17763)

Windows 10 April 2018 Update

Version 1803 (OS build 10.0.17134) 

Windows 10 Fall Creators Update

Version 1709 (OS build 10.0.16299)  

Windows 10 Creators Update

Version 1703 (OS build 10.0.15063)

Windows 10 Anniversary Update

Version 1607 (OS build 10.0.14393)

Windows 10 November Update

Version 1511 (OS build 10.0.10586)

Windows 10 

Version 1507 (RTM) (OS build 10.0.10240)

Notes
To see which version of Windows 10 your device is currently running, select the
Start button, then select Settings > System > About

Or type command winver

Version. The version number gives you the information on what version of Windows 10 you’re running. The number is based on the date of the most recent large build release and uses a YYMM format.

OS Build. Shows the specific operating system build you’re running.


External links
Windows 10 release information
Windows 10 update history