Windows 11 release information

Windows 11 release information will have an annual feature update cadence. Windows 11 feature updates will release in the second half of the calendar year and will come with 24 months of support for Home, Pro, Pro for Workstations, and Pro Education editions; 36 months of support for Enterprise and Education editions.

We recommend that you begin deployment of each feature update promptly to gain access to new features, experiences, and integrated security as soon as possible.

For monthly security updates, Windows 11 uses the familiar Windows cumulative update process, also referred to as a “B” release, Patch Tuesday, or Update Tuesday. These monthly releases will continue to contain all previous updates to keep devices protected and productive.

For information about servicing timelines, see the Windows lifecycle FAQ.

Windows 11 current versions

(All dates are listed in ISO 8601 format: YYYY-MM-DD)

Servicing channels

Servicing channels
Version Servicing option Availability date Latest revision date Latest build End of servicing: Home, Pro, Pro Education and Pro for Workstations End of servicing: Enterprise, Education and IoT Enterprise
21H2 (original release) General Availability Channel 2021-10-04 2022-01-17 22000.438 2023-10-10 2024-10-08

Windows 11 release history

Learn more about the contents of Windows 11 updates at Windows 11 Update History.

Version 21H2 (original release) (OS build 22000)Windows 11 will be offered as a free upgrade to eligible Windows 10 devices using a phased and measured approach with a focus on quality. Organizations can choose when and how to upgrade the devices they manage. For more details, see the How to get Windows 11.

Windows 11 release history
Servicing option Availability date Build KB article
General Availability Channel 2022-01-17 22000.438 KB5010795
General Availability Channel 2022-01-11 22000.434 KB5009566
General Availability Channel 2021-12-14 22000.376 KB5008215
General Availability Channel 2021-11-22 22000.348 KB5007262
General Availability Channel 2021-11-09 22000.318 KB5007215
General Availability Channel 2021-10-21 22000.282 KB5006746
General Availability Channel 2021-10-12 22000.258 KB5006674
General Availability Channel 2021-10-04 22000.194


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