Download Windows 11 KB5065431 23H2 – Direct .msu Links Available

Windows 11 Security Update KB5065431 Rolling Out

The September security update, KB5065431, is currently being distributed for devices running Windows 11 23H2. This update serves as a reminder that the Windows 11 23H2 version is set to reach its end of life on November 11, 2025. After this date, users will no longer receive security updates or support, making an upgrade to Windows 11 24H2 a prudent action to enhance security and functionality.

Microsoft has initiated the process of upgrading compatible Home and Pro edition devices from Windows 11 23H2 to the 24H2 version. This staged rollout follows a brief delay necessitated by multiple issues—approximately a dozen—identified post-release of 24H2.

The issues largely stemmed from third-party app vendors who had not yet updated their software for compatibility with the newest Windows version. Additionally, certain built-in OS features caused malfunctions when users attempted to transition to 24H2.

To ensure user satisfaction and system stability, Microsoft paused the upgrade rollout until all identified problems were addressed. Now that these issues have mostly been fixed, automatic upgrades for eligible devices have resumed.

Choosing to remain on the Windows 11 23H2 version is not advisable, especially given the enhancements in security and app compatibility offered by 24H2. If you are utilizing Enterprise or Education editions, note that these versions will retain support for an additional year, expiring on November 10, 2026.

Overview of Windows 11 KB5065431 Update

As part of Microsoft’s monthly Patch Tuesday, Windows 11 KB5065431 will automatically install on your device. However, if it doesn’t appear, you can manually download the update using Microsoft’s offline.msu installer. Before we delve into the specific fixes provided by this update, let’s check out the download links.

Download Windows 11 KB5065431

Access the direct download links for Windows 11 KB5065431 here: 64-bit and Arm | Microsoft Update Catalog.

Once the.msu file is downloaded, run it and be patient as the manual installation may take some time to complete.

Updates in Windows 11 Build 22631.5909

For those curious about new features in the latest Windows 11 Build 22631.5909, you’ll find that this update is focused more on improvements rather than new additions.

One significant fix addresses performance issues experienced during NDI streaming, ensuring users will no longer endure audio delays or video performance lags.

Another update relates to a security enhancement introduced with the August 2025 security patch, which enforces the User Account Control (UAC) prompt for administrator credentials during Windows Installer (MSI) repair and similar operations. Standard users may encounter this prompt when attempting to run applications such as AutoCAD, though administrators have the option to disable this prompt via group policy.

Moreover, KB5065431 includes stringent security measures for SMB shares and introduces auditing features for SMB client compatibility. While previous security update concerns have generally been resolved, the team remains committed to monitoring for any emerging issues.

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