Windows 11 release information

Windows 11 has an annual feature update cadence. Feature updates are released in the second half of the calendar year and 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. For more information, see the  Windows lifecycle FAQ.

Windows 11 also releases monthly security updates on the second Tuesday of each month. These releases are cumulative, containing all previous updates to keep devices protected and productive.

If you are an IT administrator and want to programmatically get information from this page, use the Windows Updates API in Microsoft Graph.

The Windows release health site is always evolving. Take our short survey and let us know how we can improve.

Windows 11 current versions by servicing option

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

Servicing channels

VersionServicing optionAvailability dateLatest revision dateLatest buildEnd of servicing: Home, Pro, Pro Education, and Pro for WorkstationsEnd of servicing: Enterprise, Education, IoT Enterprise, and Enterprise multi-session
24H2 General Availability Channel 2024-10-01 2024-10-08 26100.2033 2026-10-13 2027-10-12
23H2 General Availability Channel 2023-10-31 2024-10-08 22631.4317 2025-11-11 2026-11-10
22H2 General Availability Channel 2022-09-20 2024-10-08 22621.4317 End of servicing 2025-10-14
21H2 General Availability Channel 2021-10-04 2024-10-08 22000.3260 End of servicing End of servicing

Enterprise and IoT Enterprise LTSC editions

Version Servicing option Availability dateLatest revision date OS build Mainstream support end date Extended support end date
24H2 Long-Term Servicing Channel (LTSC) 2024-10-01 2024-10-08 26100.2033 2029-10-09 2034-10-10

Windows 11 release history

View a history of all monthly security and non-security preview updates released for Windows 11. Visit the Windows 11 update history for details on the content of each release.


Version 24H2 (OS build 26100)
Servicing option Availability date Build KB article
LTSC General Availability Channel 2024-10-08 26100.2033 KB5044284
LTSC General Availability Channel 2024-10-01 26100.1742

Version 23H2 (OS build 22631)

Want to quickly update eligible Windows 11, version 22H2 devices to Windows 11, version 23H2? Use an enablement package.

Servicing option Availability date Build KB article
General Availability Channel 2024-10-08 22631.4317 KB5044285
General Availability Channel 2024-09-26 22631.4249 KB5043145
General Availability Channel 2024-09-10 22631.4169 KB5043076
General Availability Channel 2024-08-27 22631.4112 KB5041587
General Availability Channel 2024-08-13 22631.4037 KB5041585
General Availability Channel 2024-07-25 22631.3958 KB5040527
General Availability Channel 2024-07-09 22631.3880 KB5040442
General Availability Channel 2024-06-25 22631.3810 KB5039302
General Availability Channel 2024-06-11 22631.3737 KB5039212
General Availability Channel 2024-05-29 22631.3672 KB5037853
General Availability Channel 2024-05-14 22631.3593 KB5037771
General Availability Channel 2024-04-23 22631.3527 KB5036980
General Availability Channel 2024-04-09 22631.3447 KB5036893
General Availability Channel 2024-03-26 22631.3374 KB5035942
General Availability Channel 2024-03-12 22631.3296 KB5035853
General Availability Channel 2024-02-29 22631.3235 KB5034848
General Availability Channel 2024-02-13 22631.3155 KB5034765
General Availability Channel 2024-01-23 22631.3085 KB5034204
General Availability Channel 2024-01-09 22631.3007 KB5034123
General Availability Channel 2023-12-12 22631.2861 KB5033375
General Availability Channel 2023-12-04 22631.2792 KB5032288
General Availability Channel 2023-11-14 22631.2715 KB5032190
General Availability Channel 2023-10-31 22631.2506 KB5031455
General Availability Channel 2023-10-31 22631.2428

Version 22H2 (OS build 22621)
Servicing option Availability date Build KB article
General Availability Channel 2024-10-08 22621.4317 KB5044285
General Availability Channel 2024-09-26 22621.4249 KB5043145
General Availability Channel 2024-09-10 22621.4169 KB5043076
General Availability Channel 2024-08-27 22621.4112 KB5041587
General Availability Channel 2024-08-13 22621.4037 KB5041585
General Availability Channel 2024-07-25 22621.3958 KB5040527
General Availability Channel 2024-07-09 22621.3880 KB5040442
General Availability Channel 2024-06-25 22621.3810 KB5039302
General Availability Channel 2024-06-11 22621.3737 KB5039212
General Availability Channel 2024-05-29 22621.3672 KB5037853
General Availability Channel 2024-05-14 22621.3593 KB5037771
General Availability Channel 2024-04-23 22621.3527 KB5036980
General Availability Channel 2024-04-09 22621.3447 KB5036893
General Availability Channel 2024-03-26 22621.3374 KB5035942
General Availability Channel 2024-03-12 22621.3296 KB5035853
General Availability Channel 2024-02-29 22621.3235 KB5034848
General Availability Channel 2024-02-13 22621.3155 KB5034765
General Availability Channel 2024-01-23 22621.3085 KB5034204
General Availability Channel 2024-01-09 22621.3007 KB5034123
General Availability Channel 2023-12-12 22621.2861 KB5033375
General Availability Channel 2023-12-04 22621.2792 KB5032288
General Availability Channel 2023-11-14 22621.2715 KB5032190
General Availability Channel 2023-10-26 22621.2506 KB5031455
General Availability Channel 2023-10-10 22621.2428 KB5031354
General Availability Channel 2023-09-26 22621.2361 KB5030310
General Availability Channel 2023-09-12 22621.2283 KB5030219
General Availability Channel 2023-08-22 22621.2215 KB5029351
General Availability Channel 2023-08-08 22621.2134 KB5029263
General Availability Channel 2023-07-26 22621.2070 KB5028254
General Availability Channel 2023-07-11 22621.1992 KB5028185
General Availability Channel 2023-06-27 22621.1928 KB5027303
General Availability Channel 2023-06-13 22621.1848 KB5027231
General Availability Channel 2023-05-24 22621.1778 KB5026446
General Availability Channel 2023-05-09 22621.1702 KB5026372
General Availability Channel 2023-04-25 22621.1635 KB5025305
General Availability Channel 2023-04-11 22621.1555 KB5025239
General Availability Channel 2023-03-28 22621.1485 KB5023778
General Availability Channel 2023-03-14 22621.1413 KB5023706
General Availability Channel 2023-02-28 22621.1344 KB5022913
General Availability Channel 2023-02-14 22621.1265 KB5022845
General Availability Channel 2023-01-26 22621.1194 KB5022360
General Availability Channel 2023-01-10 22621.1105 KB5022303
General Availability Channel 2022-12-13 22621.963 KB5021255
General Availability Channel 2022-11-29 22621.900 KB5020044
General Availability Channel 2022-11-08 22621.819 KB5019980
General Availability Channel 2022-10-25 22621.755 KB5018496
General Availability Channel 2022-10-18 22621.675 KB5019509
General Availability Channel 2022-10-11 22621.674 KB5018427
General Availability Channel 2022-09-30 22621.608 KB5017389
General Availability Channel 2022-09-27 22621.525 KB5019311
General Availability Channel 2022-09-20 22621.521

Version 21H2 (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.

Servicing option Availability date Build KB article
General Availability Channel 2024-10-08 22000.3260 KB5044280
General Availability Channel 2024-09-10 22000.3197 KB5043067
General Availability Channel 2024-08-13 22000.3147 KB5041592
General Availability Channel 2024-07-09 22000.3079 KB5040431
General Availability Channel 2024-06-11 22000.3019 KB5039213
General Availability Channel 2024-05-14 22000.2960 KB5037770
General Availability Channel 2024-04-09 22000.2899 KB5036894
General Availability Channel 2024-03-12 22000.2836 KB5035854
General Availability Channel 2024-02-13 22000.2777 KB5034766
General Availability Channel 2024-01-09 22000.2713 KB5034121
General Availability Channel 2023-12-12 22000.2652 KB5033369
General Availability Channel 2023-11-14 22000.2600 KB5032192
General Availability Channel 2023-10-10 22000.2538 KB5031358
General Availability Channel 2023-09-26 22000.2482 KB5030301
General Availability Channel 2023-09-12 22000.2416 KB5030217
General Availability Channel 2023-08-22 22000.2360 KB5029332
General Availability Channel 2023-08-08 22000.2295 KB5029253
General Availability Channel 2023-07-25 22000.2245 KB5028245
General Availability Channel 2023-07-11 22000.2176 KB5028182
General Availability Channel 2023-06-28 22000.2124 KB5027292
General Availability Channel 2023-06-13 22000.2057 KB5027223
General Availability Channel 2023-05-23 22000.2003 KB5026436
General Availability Channel 2023-05-09 22000.1936 KB5026368
General Availability Channel 2023-04-25 22000.1880 KB5025298
General Availability Channel 2023-04-11 22000.1817 KB5025224
General Availability Channel 2023-03-28 22000.1761 KB5023774
General Availability Channel 2023-03-14 22000.1696 KB5023698
General Availability Channel 2023-02-21 22000.1641 KB5022905
General Availability Channel 2023-02-14 22000.1574 KB5022836
General Availability Channel 2023-01-19 22000.1516 KB5019274
General Availability Channel 2023-01-10 22000.1455 KB5022287
General Availability Channel 2022-12-13 22000.1335 KB5021234
General Availability Channel 2022-11-15 22000.1281 KB5019157
General Availability Channel 2022-11-08 22000.1219 KB5019961
General Availability Channel 2022-10-25 22000.1165 KB5018483
General Availability Channel 2022-10-17 22000.1100 KB5020387
General Availability Channel 2022-10-11 22000.1098 KB5018418
General Availability Channel 2022-09-20 22000.1042 KB5017383
General Availability Channel 2022-09-13 22000.978 KB5017328
General Availability Channel 2022-08-25 22000.918 KB5016691
General Availability Channel 2022-08-09 22000.856 KB5016629
General Availability Channel 2022-07-21 22000.832 KB5015882
General Availability Channel 2022-07-12 22000.795 KB5015814
General Availability Channel 2022-06-23 22000.778 KB5014668
General Availability Channel 2022-06-20 22000.740 KB5016138
General Availability Channel 2022-06-14 22000.739 KB5014697
General Availability Channel 2022-05-24 22000.708 KB5014019
General Availability Channel 2022-05-10 22000.675 KB5013943
General Availability Channel 2022-04-25 22000.652 KB5012643
General Availability Channel 2022-04-12 22000.613 KB5012592
General Availability Channel 2022-03-28 22000.593 KB5011563
General Availability Channel 2022-03-08 22000.556 KB5011493
General Availability Channel 2022-02-15 22000.527 KB5010414
General Availability Channel 2022-02-08 22000.493 KB5010386
General Availability Channel 2022-01-25 22000.469 KB5008353
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