Microsoft now combines the latest servicing stack update (SSU) for your operating system with the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing updates.

This update makes quality improvements to the servicing stack, which is the component that installs Windows updates. Servicing stack updates (SSU) ensure that you have a robust and reliable servicing stack so that your devices can receive and install Microsoft updates.

To ensure seamless installation of future updates on Azure-hosted devices, it is strongly recommended to install this latest SSU prior to applying any additional updates.

Windows 11, versions 24H2 and 25H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 25H2 are included in the latest monthly quality update for Windows 11, version 24H2 but are in an inactive and dormant state.

This security update includes improvements that were a part of update KB5039304 (released June 28, 2024). Below is a summary of the key issues that this update addresses when you install this KB.

On the left side of this page, you’ll find a list of all the updates released for this version of Windows. You can also find more information about releases and any known issues.

Windows 11, versions 22H2 and 23H2 share a common core operating system with an identical set of system files. Therefore, the new features in Windows 11, version 23H2 are included in the latest monthly quality update for Windows 11, version 22H2 but are in an inactive and dormant state.

If your PC is experiencing problems, especially issues related to Windows Update, you can use the Fix problems using Windows Update recovery option to reinstall the current version of Windows.

On the left side of this page, you’ll find a list of all the updates released for this version of Windows. You can also find more information about releases and any known issues.

Windows updates help keep your device secure, reliable, and up to date. To make updates information clearer and easier to understand, we’ve introduced a simplified and standardized titling system for a range of updates.