June 11, 2024—KB5039211 (OS Builds 19044.4529 and 19045.4529) - EXPIRED

June 11, 2024—KB5039211 OS Builds 19044.4529 and 19045.4529 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. ---...

July 11, 2023—KB5028166 (OS Builds 19044.3208 and 19045.3208) - EXPIRED

July 11, 2023—KB5028166 OS Builds 19044.3208 and 19045.3208 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of Windows. ---...

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March 14, 2023—KB5023696 (OS Builds 19042.2728, 19044.2728, and 19045.2728) - EXPIRED

March 14, 2023—KB5023696 OS Builds 19042.2728, 19044.2728, and 19045.2728 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the latest version of...

November 8, 2022—KB5019959 (OS Builds 19042.2251, 19043.2251, 19044.2251, and 19045.2251) - EXPIRED

November 8, 2022—KB5019959 OS Builds 19042.2251, 19043.2251, 19044.2251, and 19045.2251 - EXPIRED EXPIRATION NOTICEIMPORTANT As of March 31, 2026, this update is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to the lates...

May 10, 2022—KB5013945 (OS Build 18363.2274)

May 10, 2022—KB5013945 OS Build 18363.2274 EXPIRATION NOTICE As of 9/12/2023, KB5013945 is only available from Windows Update. This update is no longer available from the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality...

April 12, 2022—KB5012599 (OS Builds 19042.1645, 19043.1645, and 19044.1645)

April 12, 2022—KB5012599 OS Builds 19042.1645, 19043.1645, and 19044.1645 EXPIRATION NOTICEIMPORTAN T As of 9/12/2023, this KB is only available from Windows Update. It is no longer available from the Microsoft Update Catalog or other release channels. We recommend that you update your devices to...

March 8, 2022—KB5011503 (OS Build 17763.2686)

March 8, 2022—KB5011503 OS Build 17763.2686 11/17/20 For information about Windows update terminology, see the article about the types of Windows updates and the monthly quality update types. For an overview of Windows 10, version 1809, see its update history page. Highlights Updates security for...

June 8, 2021—KB5003646 (OS Build 17763.1999)

June 8, 2021—KB5003646 OS Build 17763.1999 5/11/21 REMINDER Windows 10, version 1809 reached end of service on May 11, 2021 for devices running the Enterprise, Education, and IoT Enterprise editions. After May 11, 2021, these devices will no longer receive monthly security and quality updates tha...

May 11, 2021—KB5003171 (OS Build 17763.1935)

May 11, 2021—KB5003171 OS Build 17763.1935 UPDATED 5/11/21 REMINDER Windows 10, version 1809 is at end of service on May 11, 2021 for devices running the Enterprise, Education, and IoT Enterprise editions. After May 11, 2021, these devices will no longer receive monthly security and quality updat...

December 8, 2020—KB4592449 (OS Builds 18362.1256 and 18363.1256) - EXPIRED

December 8, 2020—KB4592449 OS Builds 18362.1256 and 18363.1256 - EXPIRED NEW 8/5/21 EXPIRATION NOTICEIMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest...

October 13, 2020—KB4580328 (OS Build 16299.2166)

October 13, 2020—KB4580328 OS Build 16299.2166 NEW IMPORTANT Release notes are changing! To learn about the new URL, metadata updates, and more, see What’s next for Windows release notes. NEW IMPORTANT We previously delayed the scheduled end of service date from April 2020 to October 2020 for the...

October 13, 2020—KB4577671 (OS Builds 18362.1139 and 18363.1139) - EXPIRED

October 13, 2020—KB4577671 OS Builds 18362.1139 and 18363.1139 - EXPIRED NEW 8/5/21 EXPIRATION NOTICEIMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest...

May 12, 2020—KB4556804 (OS Build 15063.2375)

May 12, 2020—KB4556804 OS Build 15063.2375 Current status of Windows 10, version 1703 Windows 10, version 1703 has reached end of service for all editions. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10 . Surface Hub devices...

March 10, 2020—KB4540705 (OS Build 15063.2313)

March 10, 2020—KB4540705 OS Build 15063.2313 Current status of Windows 10, version 1703 Windows 10, version 1703 has reached end of service for all editions. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10 . Surface Hub devices...

February 11, 2020—KB4537789 (OS Build 16299.1686)

February 11, 2020—KB4537789 OS Build 16299.1686 Reminder March 12 and April 9 were the last two Delta updates for Windows 10, version 1709. Security and quality updates will continue to be available via the express and full cumulative update packages. For more information on this change please...

October 8, 2019—KB4520010 (OS Build 15063.2108)

October 8, 2019—KB4520010 OS Build 15063.2108 IMPORTANT Windows 10 Enterprise and Windows 10 Education editions reached end of service on October 8, 2019. To continue receiving security and quality updates, Microsoft recommends updating to the latest version of Windows 10 . Reminder March 12 and...

October 3, 2019—KB4524151 (OS Build 15063.2079)

October 3, 2019—KB4524151 OS Build 15063.2079 IMPORTANT This is a required security update that expands the out-of-band update dated September 23, 2019. This security update includes the Internet Explorer scripting engine security vulnerability CVE-2019-1367 mitigation and corrects a recent...

September 10, 2019—KB4516044 (OS Build 14393.3204)

September 10, 2019—KB4516044 OS Build 14393.3204 Reminder: The additional servicing for Windows 10 Enterprise, Education, and IoT Enterprise editions ended on April 9, 2019 and doesn't extend beyond this date. To continue receiving security and quality updates, Microsoft recommends updating to th...

August 13, 2019—KB4512517 (OS Build 14393.3144)

August 13, 2019—KB4512517 OS Build 14393.3144 Reminder: The additional servicing for Windows 10 Enterprise, Education, and IoT Enterprise editions ended on April 9, 2019 and doesn't extend beyond this date. To continue receiving security and quality updates, Microsoft recommends updating to the...