Windows 11 version 26H1 (Home, Pro, Pro Education, Pro for Workstations): sunset date 2028-03
The sunset date for Windows 11 version 26H1 (Home, Pro, Pro Education, Pro for Workstations) is 2028-03, day not confirmed: Microsoft's page prints 3/15/2028 6:59:59 AM, a Wednesday, and this site does not turn that stamp into a Patch Tuesday, so no day is given and no days-left count is shown. This data was read on 2026-10-15.
- Provider
- Microsoft
- Category
- operating-system
- Sunset date
- 2028-03 (day not confirmed)
- What stops working
- Windows 11 version 26H1 on the Home and Pro family editions reaches the end date of its servicing period and stops receiving monthly security updates.
- Enterprise and Education end date
- 2029-03 (day not confirmed; Enterprise, Education, Enterprise multi-session)
- Replacement
- Windows 11 version 26H2 or newer
Source
Windows 11 Home and Pro, Microsoft Lifecycle, Microsoft Learn (learn.microsoft.com). Read on 2026-10-15. The page lists the end date of version 26H1 as 3/15/2028 6:59:59 AM and labels times Pacific Time.
Official source (copy into your browser): https://learn.microsoft.com/en-us/lifecycle/products/windows-11-home-and-pro
Enterprise and Education: the Microsoft page "Windows 11 Enterprise and Education" (read on 2026-10-15) lists version 26H1 as ending 3/14/2029 6:59:59 AM, also a Wednesday, so only the month is shown. Confirm the exact day on the Microsoft pages before acting.
Official source (copy into your browser): https://learn.microsoft.com/en-us/lifecycle/products/windows-11-enterprise-and-education
Related sunsets
- Windows 10 end of life: all Windows dates
- Windows 11 version 25H2 (2027-10, day not confirmed)
- Windows 11 version 26H2 (2028-10-10)
Earlier 34-date snapshot as one CSV + PDF calendar (this site lists more dates than the file)