Patch Tuesday update history for Windows 10 [Changelog]
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Patch Tuesday Monthly Releases for Windows 10 versions
- Windows 10 v1507 (Threshold 1)
- Windows 10 v1511 (November Update)
- Windows 10 v1607 (Anniversary Update)
- Windows 10 v1703 (Creators Update)
- Windows 10 v1709 (Fall Creators Update)
- Windows 10 v1803 (April 2018 Update)
- Windows 10 v1809 (October 2018 Update)
- Windows 10 v1903 (May 2019 Update)
- Windows 10 v1909 (November 2019 Update)
- Windows 10 v2004 (May 2020 Update)
- Windows 10 v2009 (October 2020 Update)
- Windows 10 v21H1 (May 2021 Update)
Windows 10 version 21H1 [May 2021 Update]
This operating system version is the latest one yet, and it was released by Microsoft in May 2021.
Rumors back then were that this version was going to bring a major visual overhaul, which later turned out to be the Sun Valley project, which later transformed into Windows 11.
| KB number | Version (OS Build) | Release Date | Notes |
|---|---|---|---|
| KB5004237 | OS Builds 19041.1110, 19042.1110, and 19043.1110 | July 13, 2021 | Security Updates |
| KB5003637 | OS Builds 19041.1052, 19042.1052, and 19043.1052 | June 8, 2021 | Security Updates |
| KB5003173 | OS Builds 19041.985, 19042.985, and 19043.985 | May 11, 2021 | Security Updates |
Windows 10 version 2009 (20H20) [October 2020 Update]
Windows 10 version 20H2 is the latest Windows 10 OS version, and it was released in October 2020.
Obtaining the latest update is incredibly easy, especially if you already have Windows 10 v2004, and can be easily achieved via the Windows Update menu.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB5004237 | OS Builds 19041.1110, 19042.1110, and 19043.1110 | July 13, 2021 | Security Updates |
| KB5003637 | OS Builds 19041.1052, 19042.1052, and 19043.1052 | June 8, 2021 | Security Updates |
| KB5003173 | OS Builds 19042.985 | May 11, 2021 | Security Update |
| KB5001330 | OS Build 19042.928 | April 13, 2021 | Security Update |
| KB5000802 | OS Build 19042.867 | March 9, 2021 | Security Updates |
| KB4601319 | OS Build 19042.804 | February 9, 2021 | Security Updates |
| KB4598242 | OS Build 19042.746 | January 12, 2021 | Security Updates |
| KB4592438 | OS Build 19042.685 | December 8, 2020 | Security Update |
| KB4586781 | OS Build 19042.630 | November 10, 2020 | Security Update |
Windows 10 version 2004 [May 2020 Update]
Windows 10 version 2004 is the first major update of the year 2020, and it was released back in May.
When it was made available, 22 new features were present and ready to be used by the general public, with more coming on the way.
These included improvements to Reserved Storage, a New Cortana App, Task Manager improvements, and more.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB5004237 | OS Builds 19041.1110, 19042.1110, and 19043.1110 | July 13, 2021 | Security Updates |
| KB5003637 | OS Builds 19041.1052, 19042.1052, and 19043.1052 | June 8, 2021 | Security Updates |
| KB5003173 | OS Builds 19041.985 | May 11, 2021 | Security Update |
| KB5001330 | OS Build 19041.928 | April 13, 2021 | Security Update |
| KB5000802 | OS Builds 19041.868 | March 9, 2021 | Security Updates |
| KB4601319 | OS Builds 19041.804 | February 9, 2021 | Security Updates |
| KB4598242 | OS Build 19041.746 | January 12, 2021 | Security Updates |
| KB4592438 | OS Build 19041.685 | December 8, 2020 | Security Updates |
| KB4586781 | OS Build 19041.630 | November 10, 2020 | Security Updates |
| KB4577063 | OS Build 19041.572 | October 13, 2020 | Security Updates |
| KB4566782 | OS Build 19041.546 | September 8, 2020 | Security Updates |
| KB4566782 | OS Build 19041.450 | August 11, 2020 | Security Updates |
| KB4565503 | OS Build 19041.388 | July 14, 2020 | Security Updates |
| KB4557957 | OS Build 19041.329 | June 9 , 2020 | Cumulative Update |
Windows 10 version 1909 [November 2019 Update]
Windows 10 version 1909 is among the most popular and most used versions of Windows 10 currently available. As its name suggests, Microsoft released it in November 2019.
This feature update doesn’t pack as many new features as previous releases. Key changes include: Windows Defender Credential Guard is now compatible with ARM64 devices, enhanced Windows Sandbox capabilities, Windows Virtual Desktop is now available to all users, and more.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB5004245 | OS Build 18363.1679 | July 13, 2021 | Security Updates |
| KB5003635 | OS Build 18363.1621 | June 8, 2021 | Security Updates |
| KB5003169 | OS Build 18363.1556 | May 11, 2021 | Security Update |
| KB5001337 | OS Build 18363.1500 | April 13, 2021 | Security Update |
| KB5000822 | OS Build 17763.1817 | March 9, 2021 | Security Updates |
| KB4601315 | OS Build 18363.1377 | February 9, 2021 | Security Updates |
| KB4598229 | OS Build 18363.1316 | January 12, 2021 | Security Updates |
| KB4592449 | OS Build 18363.1256 | December 8, 2020 | Security update |
| KB4586786 | OS Build 18363.1198 | November 10, 2020 | Security update |
| KB4577671 | OS Build 18363.1139 | October 13, 2020 | Security update |
| KB4574727 | OS Build 18363.1082 | September 8, 2020 | Security update |
| KB4565351 | OS Build 18363.1016 | August 11, 2020 | Security update |
| KB4565483 | OS Build 18363.959 | July 14, 2020 | Security update |
| KB4560960 | OS Build 18363.900 | June 9, 2020 | Security update |
| KB4556799 | OS Build 18363.836 | May 12, 2020 | Security update |
| KB4549951 | OS Build 18363.778 | April 14, 2020 | Security update |
| KB4540673 | OS Build 18363.719 | March 10, 2020 | Security update |
| KB4532693 | OS Build 18363.657 | February 11, 2020 | Security update |
| KB4528760 | OS Build 18363.592 | January 14, 2020 | Security update |
| KB4530684 | OS Build 18363.535 | December 10, 2019 | Security update |
Windows 10 version 1903 [May 2019 Update]
Windows 10 version 1903 is also named Windows 10 May Update. Code-named “19H1”, it is the seventh Windows 10 version released by Microsoft in May 2019.
Windows 10 May Update offers, among others, an improved Start menu and a new tool named Windows Sandbox.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB4592449 | OS Build 18362.1256 | December 8, 2020 | Security update |
| KB4586786 | OS Build 18362.1198 | November 10, 2020 | Security update |
| KB4577671 | OS Build 18362.1139 | October 13, 2020 | Security update |
| KB4574727 | OS Build 18362.1082 | September 8, 2020 | Security update |
| KB4565351 | OS Build 18362.1016 | August 11, 2020 | Security update |
| KB4565483 | OS Build 18362.959 | July 14, 2020 | Security update |
| KB4560960 | OS Build 18362.900 | June 9, 2020 | Security update |
| KB4551853 | OS Build 18362.836 | May 12, 2020 | Security update |
| KB4549951 | OS Builds 18362.778 | April 14, 2020 | Security update |
| KB4540673 | OS Build 18362.719 | March 10, 2020 | Security update |
| KB4532693 | OS Build 18362.657 | February 11, 2020 | Security update |
| KB4528760 | OS Build 18362.592 | January 14, 2020 | Security update |
| KB4530684 | OS Build 18363.535 | December 10, 2019 | Security update KB4524570 |
| KB4524570 | OS Build 18362.476 | November 12, 2019 | Security update KB4524570 |
| KB4522355 | OS Build 18362.418 | October 24, 2019 | Security update for Slow Ring Insiders quality improvements |
| KB4517389 | OS Build 18362.418 | October 8, 2019 | security update, includes quality quality improvements |
| KB4515384 | OS Build 18362.356 | September 10, 2019 | security update |
| KB4512508 | OS Build 18362.295 | August 13, 2019 | security update |
| KB4507453 | OS Build 18362.239 | July 9, 2019 | Patch Tuesday |
| KB4501375 | OS Build 18362.207 | June 27, 2019 | Cumulative update |
| KB4503293 | 18362.175 | June 11, 2019 | Patch Tuesday |
| KB4497935 | 18362.145 | May 24, 2019 | Insider-only |
| KB4505057 | 18362.116 | May 19, 2019 | Insider-only |
| KB4497936 | 18362.113 | May 14, 2019 | Insider-only |
| KB4497093 | 18362.86 | April 26, 2019 | Insider-only |
| KB4495666 | 18362.53 | April 9, 2019 | Insider-only |
- Heads-up: News on Windows 10 May 2019 Update
Windows 10 version 1809 [October Update]
On November 13, 2018, Microsoft re-released the Windows 10 October Update (version 1809). It is also code-named Redstone 5, the last of the series named in this manner.
Among many other features, it offers dark theme support in File Explorer and a touch keyboard powered by SwiftKey.
| KB number | Version | Release date | Notes |
|---|---|---|---|
| KB5004244 | OS Build 17763.2061 | July 13, 2021 | Security Updates |
| KB5003646 | OS Build 17763.1999 | June 8, 2021 | Security Updates |
| KB5003171 | OS Build 17763.1935 | May 11, 2021 | Security Update |
| KB5001342 | OS Build 17763.1879 | April 13, 2021 | Security Update |
| KB5000808 | OS Build 18363.1440 | March 9, 2021 | Security Updates |
| KB4601345 | OS Build 17763.1757 | February 9, 2021 | Security Updates |
| KB4598230 | OS Build 17763.1697 | January 12, 2021 | Security Updates |
| KB4592440 | OS Build 17763.1637 | December 8, 2020 | Security update |
| KB4586793 | OS Build 17763.1577 | November 10, 2020 | Security update |
| KB4577668 | OS Build 17763.1518 | October 13, 2020 | Security update |
| KB4570333 | OS Build 17763.1457 | September 8, 2020 | Security update |
| KB4565349 | OS Build 17763.1397 | August 11, 2020 | Security update |
| KB4558998 | OS Build 17763.1339 | July 14, 2020 | Security update |
| KB4561608 | OS Build 17763.1282 | June 9, 2020 | Security update |
| KB4551853 | OS Build 17763.1217 | May 12, 2020 | Security update |
| KB4549949 | OS Build 17763.1158 | April 14, 2020 | Security update |
| KB4538461 | OS Build 17763.1039 | March 10, 2020 | Security update |
| KB4532691 | OS Build 17763.1039 | February 11, 2020 | security update |
| KB4534273 | OS Build 17763.973 | January 14, 2020 | security update |
| KB4530715 | OS Build 17763.914 | December 10, 2019 | security update |
| KB4523205 | OS Build 17763.864 | November 12, 2019 | security update |
| KB4520062 | OS Build 17763.832 | October 15, 2019 | security update |
| KB4519338 | OS Build 17763.805 | October 8, 2019 | security update |
| KB4512578 | OS Build 17763.737 | September 10, 2019 | security update |
| KB4511553 | OS Build 17763.678 | August 13, 2019 | security update |
| KB4507469 | OS Build 17763.615 | July 9, 2019 | Patch Tuesday |
| KB4509479 | OS Build 17763.593 | June 26, 2019 | Cumulative update |
| KB4501371 | OS Build 17763.592 | June 18, 2019 | Cumulative update |
| KB4503327 | OS Build 17763.557 | June 11, 2019 | Patch Tuesday |
| KB4497934 | OS Build 17763.529 | May 21, 2019 | Cumulative update |
| KB4505057 | OS Build 17763.504 | May 19, 2019 | Fixes uk.gov website issues |
| KB4494441 | OS Build 17763.503 | May 14, 2019 | Patch Tuesday |
| KB4501835 | 17763.439 | May 1, 2019 | Cumulative update |
| KB4493509 | 17763.437 | April 9, 2019 | Patch Tuesday |
| KB4490481 | 17763.404 | April 2, 2019 | Cumulative update |
| KB4489899 | 17763.379 | March 12, 2019 | Patch Tuesday |
| KB4482887 | 17763.348 | March 1, 2019 | Cumulative update |
| KB4487044 | 17763.316 | February 12, 2019 | Patch Tuesday |
| KB4480116 | 17763.253 | January 8, 2019 | Cumulative update |
| KB4483235 | 17763.195 | December 19, 2018 | Security update to Internet Explorer |
| KB4471332 | 17763.194 | December 11, 2018 | Patch Tuesday |
| KB4469342 | 17763.168 | December 5, 2018 | Cumulative update |
| KB4467682 | 17763.167 | November 27, 2018 | Cumulative update |
| KB4467708 | 17763.134 | November 13, 2018 | Patch Tuesday |
Windows 10 version 1803 [April 2018 Update]
Windows 10 April 2018 Update, also code-named Redstone 4, was made available on April 30, 2018.
Windows 10 version 1803 is marked by the modernization of many Settings components, making life easier for Windows 10 users.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB5003174 | OS Build 17134.2208 | May 11, 2021 | Security Update |
| KB5001339 | OS Build 17134.2145 | April 13, 2021 | Security Update |
| KB5000809 | OS Build 17134.2087 | March 9, 2021 | Security Updates |
| KB4601354 | OS Build 17134.2026 | February 9, 2021 | Security Updates |
| KB4598245 | OS Build 17134.1967 | January 12, 2021 | Security update |
| KB4592446 | OS Build 17134.1902 | December 8, 2020 | Security update |
| KB4586785 | OS Build 17134.1845 | November 10, 2020 | Security update |
| KB4580330 | OS Build 17134.1792 | October 13, 2020 | Security update |
| KB4577032 | OS Build 17134.1726 | September 8, 2020 | Security update |
| KB4571709 | OS Build 17134.1667 | August 11, 2020 | Security update |
| KB4565489 | OS Build 17134.1610 | July 14, 2020 | Security update |
| KB4561621 | OS Build 17134.1550 | June 9, 2020 | Security update |
| KB4556807 | OS Build 17134.1488 | May 12, 2020 | Security update |
| KB4550922 | OS Build 17134.1425 | April 14, 2020 | Security update |
| KB4540689 | OS Build 17134.1365 | March 10, 2020 | Security update |
| KB4537762 | OS Build 17134.1304 | February 11, 2020 | security update |
| KB4534293 | OS Build 17134.1246 | January 14, 2020 | security update |
| KB4530717 | 17134.1184 | December 10, 2019 | security update |
| KB4525237 | 17134.1130 | November 12, 2019 | security update |
| KB4519978 | 17134.1099 | October 15, 2019 | security update |
| KB4520008 | 17134.1069 | October 8, 2019 | security update |
| KB4516058 | 17134.1006 | September 10, 2019 | security update |
| KB4512501 | 17134.950 | August 13, 2019 | security update |
| KB4507435 | 17134.885 | July 9, 2019 | Patch Tuesday |
| KB4509478 | 17134.860 | June 26, 2019 | Cumulative update |
| KB4503288 | 17134.858 | June 18, 2019 | Cumulative update |
| KB4503286 | 17134.829 | June 11, 2019 | Patch Tuesday |
| KB4499183 | 17134.799 | May 21, 2019 | Cumulative update |
| KB4505064 | 17134.766 | May 19, 2019 | Fixes uk.gov website issues |
| KB4499167 | 17134.765 | May 14, 2019 | Patch Tuesday |
| KB4493437 | 17134.753 | April 26, 2019 | Cumulative update |
| KB4493464 | 17134.706 | April 9, 2019 | Patch Tuesday |
| KB4489894 | 17134.677 | March 19, 2019 | Patch Tuesday |
| KB4489868 | 17134.648 | March 12, 2019 | Patch Tuesday |
| KB4486996 | 17134.619 | February 19, 2019 | Cumulative update |
| KB4487017 | 17134.590 | February 12, 2019 | Patch Tuesday |
| KB4480976 | 17134.556 | January 15, 2019 | Cumulative update |
| KB4480966 | 17134.523 | January 8, 2019 | Patch Tuesday |
| KB4483234 | 17134.472 | December 19, 2018 | Security update to Internet Explorer |
| KB4471324 | 17134.471 | December 11, 2018 | Patch Tuesday |
| KB4467682 | 17134.441 | November 27, 2018 | Cumulative update |
| KB4467702 | 17134.407 | November 13, 2018 | Patch Tuesday |
Windows 10 version 1709 [Fall Creators Update]
This was one of the largest Windows 10 updates and among many new features, it brought the fullscreen mode and reading enhancements and many convenience features added to Microsoft Edge.
Microsoft service for Home and Pro editions was stopped on April 9, 2019, but will continue for Enterprise and Education editions until April 14, 2020.
Here is the list of monthly roll-ups released for Windows 10 version 1709 after the major update code-named Redstone 3 but most known as Windows 10 Fall Creators Update.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB4580328 | OS Build 16299.2166 | October 13, 2020 | Cumulative update |
| KB4577041 | OS Build 16299.2107 | September 8, 2020 | Cumulative update |
| KB4571741 | OS Build 16299.2045 | August 11, 2020 | Cumulative update |
| KB4565508 | OS Build 16299.1992 | July 14, 2020 | Cumulative update |
| KB4561602 | OS Build 16299.1932 | June 9, 2020 | Cumulative update |
| KB4556812 | OS Build 16299.1868 | May 12, 2020 | Cumulative update |
| KB4550927 | OS Build 16299.1806 | April 14, 2020 | Cumulative update |
| KB4540681 | 16299.1747 | March 10, 2020 | Cumulative update |
| KB4537789 | 16299.1686 | February 11, 2020 | Cumulative update |
| KB4534276 | 16299.1625 | January 14, 2020 | Cumulative update |
| KB4530714 | 16299.1565 | December 10, 2019 | Cumulative update |
| KB4525241 | 16299.1508 | November 12, 2019 | Cumulative update |
| KB4520006 | 16299.1481 | October 15, 2019 | Cumulative update |
| KB4520004 | 16299.1451 | October 8, 2019 | Cumulative update |
| KB4524150 | 16299.1421 | October 3, 2019 | Cumulative update |
| KB4516071 | 16299.1420 | September 24, 2019 | Cumulative update |
| KB4522012 | 16299.1392 | September 23, 2019 | Cumulative update |
| KB4516066 | 16299.1387 | September 10, 2019 | Cumulative update |
| KB4512494 | 16299.1365 | August 16, 2019 | Cumulative update |
| KB4512516 | 16299.1331 | August 13, 2019 | Cumulative update |
| KB4507465 | 16299.1296 | July 16, 2019 | Cumulative update |
| KB4507455 | 16299.1268 | July 9, 2019 | Cumulative update |
| KB4509477 | 16299.1239 | June 26, 2019 | Cumulative update |
| KB4503281 | 16299.1237 | June 18, 2019 | Cumulative update |
| KB4503284 | 16299.1217 | June 11, 2019 | Cumulative update |
| KB4499147 | 16299.1182 | May 28, 2019 | Cumulative update |
| KB4505062 | 16299.1150 | May 19, 2019 | Fixes uk.gov website issues |
| KB4499179 | 16299.1146 | May 14, 2019 | Cumulative update |
| KB4493440 | 16299.1127 | April 25, 2019 | Cumulative update |
| KB4493441 | 15254.562 | April 9, 2019 | Cumulative update |
| KB4489890 | 16299.1059 | March 19, 2019 | Cumulative update |
| KB4489886 | 16299.1029 | March 12, 2019 | Solves the “Error 1309” issue |
| KB4487021 | 16299.1004 | February 19, 2019 | Cumulative update |
| KB4486996 | 16299.967 | February 12, 2019 | Cumulative update |
| KB4480967 | 16299.936 | January 15, 2019 | Cumulative update |
| KB4480978 | 16299.904 | January 8, 2019 | Addresses an issue that affects PowerShell |
| KB4483232 | 16299.847 | December 19, 2018 | Security update to Internet Explorer |
| KB4471329 | 16299.846 | December 11, 2018 | Cumulative update |
| KB4467681 | 16299.820 | November 27, 2018 | Cumulative update |
| KB4467686 | 16299.785 | November 13, 2018 | Cumulative update |
- Read more on Windows 10 Fall Creators Update
Windows 10 version 1703 [Creators Update]
Probably the most interesting feature is the launch of Paint 3D and 3D Viewer. Also, Cortana was integrated with third-party apps.
Microsoft service for Home and Pro editions was stopped on October 9, 2018, but will continue for Enterprise and Education editions until October 8, 2019.
Here is the list of monthly roll-ups released for after the major update code-named Redstone 2 aka Windows 10 Creators Update.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB5000812 | OS Build 15063.2679 | March 9, 2021 | Security Updates |
| KB4601330 | OS Build 15063.2642 | February 9, 2021 | Security Updates |
| KB4599208 | OS Build 15063.2614 | January 12, 2021 | Security Update |
| KB4592473 | OS Build 15063.2584 | December 8, 2020 | Security Update |
| KB4586782 | OS Build 15063.2554 | November 10, 2020 | Cumulative update |
| KB4580370 | OS Build 15063.2525 | October 13, 2020 | Cumulative update |
| KB4577021 | OS Build 15063.2500 | September 8, 2020 | Cumulative update |
| KB4571689 | OS Build 15063.2467 | August 11, 2020 | Cumulative update |
| KB4565499 | OS Build 15063.2439 | July 14, 2020 | Cumulative update |
| KB4561605 | OS Build 15063.2409 | June 9, 2020 | Cumulative update |
| KB4556804 | OS Build 15063.2375 | May 12, 2020 | Cumulative update |
| KB4550939 | OS Build 15063.2346 | April 14, 2020 | Cumulative update |
| KB4540705 | OS Build 15063.2313 | March 10, 2020 | Cumulative update |
| KB4537765 | OS Build 15063.2284 | February 11, 2020 | Cumulative update |
| KB4534296 | OS Build 15063.2254 | January 14, 2020 | Cumulative update |
| KB4530711 | 15063.2224 | December 10, 2019 | Cumulative update |
| KB4525245 | 15063.2172 | November 12, 2019 | Cumulative update |
| KB4520010 | 15063.2108 | October 8, 2019 | Cumulative update |
| KB4524151 | 15063.2079 | October 3, 2019 | Cumulative update |
| KB4516059 | 15063.2078 | September 24, 2019 | Cumulative update |
| KB4516068 | 15063.2045 | September 10, 2019 | Cumulative update |
| KB4512507 | 15063.1988 | August 13, 2019 | Cumulative update |
| KB4507450 | 15063.1928 | July 9, 2019 | Cumulative update |
| KB4503279 | 15063.1868 | June 11, 2019 | Cumulative update |
| KB4499162 | 15063.1839 | May 28, 2019 | Cumulative update |
| KB4505055 | 15063.1808 | May 19, 2019 | Fixes uk.gov website issues |
| KB4499181 | 15063.1805 | May 14, 2019 | Cumulative update |
| KB4502112 | 15063.1785 | May 2, 2019 | Cumulative update |
| KB4493436 | 15063.1784 | April 25, 2019 | Cumulative update |
| KB4493474 | 15063.1746 | April 9, 2019 | Cumulative update |
| KB4489888 | 15063.1716 | March 19, 2019 | Cumulative update |
| KB4489871 | 15063.1689 | March 12, 2019 | Fixes “Error 1309” |
| KB4487011 | 15063.1659 | February 19, 2019 | Cumulative update |
| KB4487020 | 15063.1631 | February 12, 2019 | Cumulative update |
| KB4480959 | 15063.1596 | January 15, 2019 | Cumulative update |
| KB4480973 | 15063.1563 | January 8, 2019 | Addresses an issue that affects PowerShell |
| KB4483230 | 15063.1508 | December 19, 2018 | Security update to Internet Explorer |
| KB4471327 | 15063.1506 | December 11, 2018 | Cumulative update |
| KB4467699 | 15063.1478 | November 27, 2018 | Cumulative update |
- Full coverage on Windows 10 Creators Update
Windows 10 version 1607 [Anniversary Update]
On April 10, 2018, Windows 10, version 1607, reached the end of service in their Home and Pro versions, and on April 9, 2019, it ended support for Enterprise and Education editions.
Still, Microsoft will continue to offer support for Enterprise LTSC editions until October 13, 2026. Microsoft recommends updating to the latest version of Windows 10 to continue receiving security and quality updates.
Among many new features, Microsoft brought a redesigned Start screen and the “all apps” menu was removed.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB5004238 | OS Build 14393.4530 | July 13, 2021 | Security Updates |
| KB5003638 | OS Build 14393.4467 | June 8, 2021 | Security Updates |
| KB5003197 | OS Build 14393.4402 | May 11, 2021 | Security Update |
| KB5001347 | OS Build 14393.4350 | April 13, 2021 | Security Update |
| KB5000803 | OS Build 14393.4283 | March 9, 2021 | Security Updates |
| KB4601318 | OS Build 14393.4225 | February 9, 2021 | Security Updates |
| KB4598243 | OS Build 14393.4169 | January 12, 2021 | Security Updates |
| KB4593226 | OS Build 14393.4104 | December 8, 2020 | Security Updates |
| KB4586830 | OS Build 14393.4046 | November 10, 2020 | Cumulative update |
| KB4580346 | OS Build 14393.3986 | October 13, 2020 | Cumulative update |
| KB4577015 | OS Build 14393.3930 | September 8, 2020 | Cumulative update |
| KB4571694 | OS Build 14393.3866 | August 11, 2020 | Cumulative update |
| KB4565511 | OS Build 14393.3808 | July 14, 2020 | Cumulative update |
| KB4561616 | OS Build 14393.3750 | June 9, 2020 | Cumulative update |
| KB4556813 | OS Build 14393.3686 | May 12, 2020 | Cumulative update |
| KB4550929 | OS Build 14393.3630 | April 14, 2020 | Cumulative update |
| KB4540670 | OS Build 14393.3564 | March 10,2020 | Cumulative update |
| KB4537764 | OS Build 14393.3504 | February 11, 2020 | Cumulative update |
| KB4534271 | OS Build 14393.3443 | January 14, 2020 | Cumulative update |
| KB4530689 | 14393.3384 | December 10, 2019 | Cumulative update |
| KB4525236 | 14393.3326 | November 12, 2019 | Cumulative update |
| KB4519998 | 14393.3274 | October 8, 2019 | Cumulative update |
| KB4516044 | 14393.3204 | September 9, 2019 | Cumulative update |
| KB4512517 | 14393.3144 | August 13, 2019 | Cumulative update |
| KB4507460 | 14393.3085 | July 9, 2019 | Cumulative update |
| KB4503267 | 14393.3025 | June 11, 2019 | Cumulative update |
| KB4499177 | 14393.2999 | May 23, 2019 | Cumulative update |
| KB4505052 | 14393.2972 | May 19, 2019 | Fixes an issue with gov.uk websites |
| KB4494440 | 14393.2969 | May 14, 2019 | Cumulative update |
| KB4493473 | 14393.2941 | April 25, 2019 | Cumulative update |
| KB4493470 | 14393.2906 | April 9, 2019 | Cumulative update |
| KB4489889 | 14393.2879 | March 19, 2019 | Cumulative update |
| KB4489882 | 14393.2848 | March 12, 2019 | Cumulative update |
| KB4487006 | 14393.2828 | February 19, 2019 | Cumulative update |
| KB4487026 | 14393.2791 | February 12, 2019 | Cumulative update |
| KB4480977 | 14393.2759 | January 17, 2019 | Cumulative update |
| KB4480961 | 14393.2724 | January 8, 2019 | Security updates to many Microsoft products |
| KB4483229 | 14393.2670 | December 19, 2018 | Security update to Internet Explorer |
| KB4471321 | 14393.2665 | December 11, 2018 | Cumulative update |
| KB4478877 | 14393.2641 | December 3, 2018 | Addresses an issue with SNAT |
| KB4467684 | 14393.2639 | November 27, 2018 | Cumulative update |
Windows 10 version 1511
[November Update]
Windows 10 version 1511 was launched on November 12, 2015. It was code-named “Threshold 2” and it was the first major update to the initial Windows 10 version.
On October 10, 2017, Microsoft ended support for Home and Pro editions of Windows 10 version 1511, and on April 10, 2018, it also ended support for Enterprise and Education editions.
Microsoft brought with Windows 10 November Update a pre-installed Skype video, messaging and phone apps.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB4093109 | 10586.1540 | April 10, 2018 | Cumulative update |
| KB4088779 | 10586.1478 | March 13, 2018 | Cumulative update |
| KB4074591 | 10586.1417 | February 13, 2018 | Cumulative update |
| KB4075200 | 10586.1358 | January 18, 2018 | Cumulative update |
| KB4056888 | 10586.1356 | January 3, 2018 | Security updates to several Microsoft products |
| KB4053578 | 10586.1295 | December 12, 2017 | Cumulative update |
| KB4048952 | 10586.1232 | November 14, 2017 | Cumulative update |
| KB4052232 | 10586.1177 | November 2, 2017 | Addresses an issue with several apps |
| KB4041689 | 10586.1176 | October 10, 2017 | Cumulative update |
| KB4038783 | 10586.1106 | September 12, 2017 | Cumulative update |
| KB4034660 | 10586.1045 | August 8, 2017 | Cumulative update |
| KB4025344 | 10586.1007 | July 11, 2017 | Cumulative update |
| KB4032693 | 10586.965 | June 27, 2017 | Addresses a reliability issue in Windows Search |
| KB4022714 | 10586.962 | June 13, 2017 | Cumulative update |
| KB4019473 | 10586.916 | May 9, 2017 | Cumulative update |
Windows 10 version 1507
[Initial Release]
Windows 10 version 1507 was the initial release of this operating system. Microsoft launched it on July 29, 2015, and it was code-named “Threshold 1”.
On May 9, 2017, Microsoft ended the support for all editions of Windows 10 version 1507 excepting Enterprise LTSC. Support for this edition will continue until October 14, 2025.
Among so many features, we can say that Windows 10 Initial Release introduced Cortana, the Microsoft virtual assistant.
| KB number | Version (OS Build) | Release date | Notes |
|---|---|---|---|
| KB5003172 | OS Build 10240.18932 | May 11, 2021 | Security Update |
| KB5001340 | OS Build 10240.18906 | April 13, 2021 | Security Update |
| KB5000807 | OS Build 10240.18874 | March 9, 2021 | Security Updates |
| KB4601331 | OS Build 10240.18842 | February 9, 2021 | Security Updates |
| KB4598231 | OS Build 10240.18818 | January 12, 2021 | Security Updates |
| KB4592464 | OS Build 10240.18782 | December 8, 2020 | Security Updates |
| KB4586787 | OS Build 10240.18756 | November 10, 2020 | Cumulative update |
| KB4580327 | OS Build 10240.18725 | October 13, 2020 | Cumulative update |
| KB4577049 | OS Build 19041.508 | September 8, 2020 | Cumulative update |
| KB4571692 | OS Build 10240.18666 | August 11, 2020 | Cumulative update |
| KB4565513 | OS Build 10240.18638 | July 14, 2020 | Cumulative update |
| KB4561649 | OS Build 10240.18608 | June 9, 2020 | Cumulative update |
| KB4556826 | OS Build 10240.18575 | May 12, 2020 | Cumulative update |
| KB4550930 | OS Build 10240.18545 | April 14, 2020 | Cumulative update |
| KB4540693 | OS Build 10240.18519 | March 10, 2020 | Cumulative update |
| KB4537776 | OS Build 10240.18486 | February 11, 2020 | Cumulative update |
| KB4505051 | 10240.18218 | May 19, 2019 | Fixes uk.gov website issues |
| KB4499154 | 10240.18215 | May 14, 2019 | Cumulative update |
| KB4498375 | 10240.18187 | April 25, 2019 | Cumulative update |
| KB4493475 | 10240.18186 | April 9, 2019 | Cumulative update |
| KB4489872 | 10240.18158 | March 12, 2019 | Cumulative update |
| KB4491101 | 10240.18135 | February 21, 2019 | Solves an Internet Explorer issue |
| KB4487018 | 10240.18132 | February 12, 2019 | Cumulative update |
| KB4480962 | 10240.18094 | January 8, 2019 | Cumulative update |
| KB4483228 | 10240.18064 | December 19, 2018 | Security update to Internet Explorer |
| KB4471323 | 10240.18063 | December 11, 2018 | Cumulative update |
| KB4467680 | 10240.18036 | November 13, 2018 | Cumulative update |
| KB4462922 | 10240.18005 | October 9, 2018 | Cumulative update |
| KB4457132 | 10240.17976 | September 11, 2018 | Security updates to several Microsoft products |
| KB4343892 | 10240.17946 | August 14, 2018 | Cumulative update |
| KB4338829 | 10240.17914 | July 10, 2018 | Cumulative update |
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