End of life / Windows / Windows 10 - 21H1
Windows Windows 10 - 21H1 end of life
Windows Windows 10 - 21H1 reached end of life on 13 December 2022, 1,409 days ago.
The detail
- Released
- 18 May 2021
- End of life
- 13 December 2022
- Countdown
- 1,409 days ago
- Status
- End of life
- Long term support
- No
- Newest build on this release
- 10.0.19043
- Newest release overall
- 10.0.26300
CVEs that reach Windows 10 - 21H1
CVEs affecting Windows are serviced by Windows Update rather than by changing the Windows version, so they are not listed here.
Where to move next
The newest tracked release is 10.0.26300.
Other Windows releases
- Windows 11 - 26H1
- Windows 11 - 26H2
- Windows 11 - 25H2
- Windows 11 - 24H2
- Windows 11 - 23H2
- Windows 11 - 22H2
- Windows 11 - 21H2
- Windows 10 - 22H2
- Windows 10 - 21H2
- Windows 10 - 20H2
- Windows 10 - 2004
- Windows 10 - 1909
- Windows 10 - 1903
- Windows 10 - 1809
- Windows 10 - 1803
- Windows 10 - 1709
- Windows 10 - 1703
- Windows 10 - 1607
- Windows 10 - 1511
- Windows 10 - 1507
- Windows 8.1
- Windows 8
- Windows 7 - SP1
Vendor sources last checked 22 October 2026, and checked daily. This data last changed on 22 October 2026.
Be told before Windows Windows 10 - 21H1 runs out
One email, ahead of the date, and nothing else. No account, no newsletter, and every message carries a link that stops them for good.
You just looked this up by hand, for one version
You had to already know you were running this version to search for it. StackDrift scans your machines and works that out for you, across every runtime, operating system and kernel underneath your code, then mails you before the next support window closes or a CVE lands on a build you have deployed.
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