April 14, 2026—KB5083769 (OS Builds 26200.8246 and 26100.8246)

April 14, 2026—KB5083769 OS Builds 26200.8246 and 26100.8246 This cumulative update for Windows 11, version 25H2 and 24H2 KB5083769, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences...

December 9, 2025—KB5072033 (OS Builds 26200.7462 and 26100.7462)

December 9, 2025—KB5072033 OS Builds 26200.7462 and 26100.7462 ​​​​​This cumulative update for Windows 11, version 25H2 and 24H2 KB5072033, includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about...

August 22, 2023—KB5029351 (OS Build 22621.2215) Preview

August 22, 2023—KB5029351 OS Build 22621.2215 Preview 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 11, version 22H2, see its update history page. Note Follow @WindowsUpdate to...

January 26, 2023—KB5022360 (OS Build 22621.1194) Preview

January 26, 2023—KB5022360 OS Build 22621.1194 Preview 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 11, version 22H2, see its update history page. Note Follow @WindowsUpdate to...

April 21, 2020—KB4550945 (OS Builds 18362.815 and 18363.815)

April 21, 2020—KB4550945 OS Builds 18362.815 and 18363.815 IMPORTANT We have been evaluating the public health situation, and we understand this is impacting our customers. In response to these challenges, we are prioritizing our focus on security updates. Starting in May 2020, we are pausing all...

April 21, 2020—KB4550960 (Preview of Monthly Rollup)

April 21, 2020—KB4550960 Preview of Monthly Rollup IMPORTANT We have been evaluating the public health situation, and we understand this is impacting our customers. In response to these challenges, we are prioritizing our focus on security updates. Starting in May 2020, we are pausing all optiona...

April 21, 2020—KB4550944 (OS Build 17134.1456)

April 21, 2020—KB4550944 OS Build 17134.1456 IMPORTANT We have been evaluating the public health situation, and we understand this is impacting our customers. In response to these challenges, we are prioritizing our focus on security updates. Starting in May 2020, we are pausing all optional...