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What is Patch Tuesday?
Patch Tuesday (a.k.a. Update Tuesday) is an unofficial term used to refer to when Microsoft regularly releases security patches for its software products. It is widely referred to in this way by the industry. Microsoft formalized Patch Tuesday in October 2003.
Briefly, these fixes address system vulnerabilities after releasing new software. These patches can apply to various software, such as mobile apps, email, office suites, firewalls and many more.
System patches are used to always keep the operating system up to date. Therefore, it is easy to see that these updates are paramount, especially because online security is an important issue for any internet user.
We cover these updates as they happen: let us do the testing first, read up our reports and get ready to update!
Find the latest updates for your Windows 10 version
- 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 version 1903
[May 2019 Update]
Windows 10 version 1903 is also named Windows 10 May Update. Code-named “19H1”, it is the seventh and the most recent 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 |
|---|---|---|---|
| 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 (OS Build) | Release date | Notes |
|---|---|---|---|
| KB4507469 | 17763.615 | July 9, 2019 | Patch Tuesday |
| KB4509479 | 17763.593 | June 26, 2019 | Cumulative update |
| KB4501371 | 17763.592 | June 18, 2019 | Cumulative update |
| KB4503327 | 17763.557 | June 11, 2019 | Patch Tuesday |
| KB4497934 | 17763.529 | May 21, 2019 | Cumulative update |
| KB4505057 | 17763.504 | May 19, 2019 | Fixes uk.gov website issues |
| KB4494441 | 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 |
|---|---|---|---|
| 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 |
|---|---|---|---|
| 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 |
|---|---|---|---|
| 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 |
|---|---|---|---|
| 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 |
|---|---|---|---|
| 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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