Microsoft has released the KB5101684 preview cumulative update for Windows 11 24H2 and 25H2, which 42 bug fixes and additional feature improvements for the operating system.
The KB5101684 update is part of the company’s optional non-security preview update schedule, which releases updates at the end of each month to test new fixes and features coming to the next month’s Patch Tuesday.
Unlike regular Patch Tuesday cumulative updates, monthly non-security preview updates do not include security updates and are optional.
You can install the KB5101684 update by opening Settings, clicking on Windows Update, and then “Check for Updates.”
Because this is an optional update, you will be asked if you want to install it by clicking the “Download and install” link unless you have the “Get the latest updates as soon as they’re they’re available” option enabled, which will cause the update to automatically install.
You can also manually download and install the KB5101684 preview update from the Microsoft Update Catalog.
Once installed, this optional cumulative release will update Windows 11 24H2 systems to build 26100.8973 and Windows 11 25H2 to 26200.8973.
The July 2026 preview update includes numerous fixes and improvements, including resolutions for File History backups failing with false invalid credential errors, newly enrolled devices incorrectly remaining in a noncompliant state, and files on DFS mapped drives being mistakenly marked as originating from the Internet.
Microsoft is also gradually rolling out several new features, including improved File Explorer navigation, more appropriate file size indicators (KB, MB, GB), enhanced search results for misspelled or partial app names, and new precision touchpad controls for scrolling and zooming.
One of the more notable additions is Voice Isolation support for Voice Access, which filters out other speakers and background noise to improve speech recognition. Users can also choose to remove only non-speech background sounds or turn off filtering entirely.
Windows Hello Enhanced Sign-in Security is also expanding to supported external fingerprint readers, allowing desktop and other Windows 11 users to use compatible peripheral sensors for more secure authentication.
The following features are rolling out immediately to all Windows 11 users:
Microsoft is also gradually rolling out the following features to users after installing the update:
Microsoft says that there are currently no known issues with this update.
The full release notes for KB5101684 can be found in this support bulletin.
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