- Windows 11 build 26340.9750 is rolling out to Insiders in the Experimental channel for version 26H2.
- The update adds a refreshed Xbox mode Task View, automatic screen brightening for Windows Hello, and passwordless web sign-in support for Microsoft Entra hybrid-joined devices.
- Microsoft fixes Windows Search and File Explorer issues, improves the Run dialog, and makes shutdowns more reliable.
Microsoft is rolling out the Windows 11 Insider Preview Quality Update (26340.9750) for version 26H2 through the Experimental channel in the Windows Insider Program. In this release, the company is improving existing features and includes various fixes as part of the Windows K2 initiative.
According to the official notes, Windows 11 build 26340.9750 introduces a refreshed Gaming Task View in XBOX mode with quicker access to Exit to Desktop and Power Options. The update also expands passwordless web sign-in to Microsoft Entra hybrid-joined devices and adds an option for Windows Hello facial recognition to automatically brighten the screen in dimly lit environments.
Microsoft also improves File Explorer responsiveness when adding or renaming files and folders, fixes Windows Search issues that could make it disappear or stop working, and refines the new Run dialog. Additional changes improve shutdown reliability and restore the expected modern design for certain system message dialogs, including low-battery and permission notifications.
What’s new on Windows 11 build 26340.9750 (Experimental)
These are the new features and improvements rolling out in the Experimental channel:
XBOX mode new Task View experience
Microsoft is introducing a refreshed Gaming Task View experience in XBOX mode, featuring a new navigation bar that provides quicker access to Exit to Desktop and Power Options while gaming.
Windows Hello new auto brightness
Windows Hello facial recognition can now automatically brighten the screen in dark or dimly lit environments to help the camera recognize the user’s face.
You can enable the feature in Settings > Accounts > Sign-in options > Facial recognition (Windows Hello) by turning on the “Automatically adjust screen brightness during face recognition” toggle.
Web sign-in new support
Web sign-in now supports Microsoft Entra hybrid-joined devices, expanding passwordless sign-in beyond Microsoft Entra-joined devices. Users can sign in from the lock screen with a FIDO2 security key, a phone passkey, or a Temporary Access Pass (TAP). After sign-in, the system obtains a Kerberos ticket, preserving access to on-premises file shares and internal websites.
Other fixes
Windows 11 build 26340.9750 also introduces some smaller fixes and improvements:
- File Explorer: Improved folder view responsiveness and sorting when files and folders are added or renamed.
- Windows Search: Fixed issues that could cause Search to disappear or stop working, including after rapidly clicking the Search icon.
- Run: Improved performance and window positioning for Arabic and Hebrew display languages, fixed disappearing text when typing too quickly, and made minor visual refinements.
- Shutdown: Improved reliability to reduce the chance of shutdown hangs in certain situations.
- System dialogs: Restored the expected modern design for certain system messages, including low-battery and permission dialogs.
Download Windows 11 update 26340.9750
To download and install these Windows 11 builds, enroll your Devices in the Experimental channel through the “Windows Insider Program” settings from the “Update & Security” section. Once you enroll the computer in the program, you can download the build from the “Windows Update” settings by turning on the “Get the latest updates as soon as they’re available” option and clicking the “Check for Updates” button.
Which Windows 11 build 26340.9750 improvement do you find most useful?
Voting closes: October 23, 2026 1:00 pm
Alternatively, you can download the ISO files from the Windows Insider Preview Downloads page. Specific preview builds are available for a limited time only.
Mauro Huculak is a Windows How-To Expert and founder of Pureinfotech in 2010. With over 23 years as a technology writer and IT Specialist, Mauro specializes in Windows, software, and cross-platform systems such as Linux, Android, and macOS.
Certifications: Microsoft Certified Solutions Associate (MCSA), Cisco Certified Network Professional (CCNP), VMware Certified Professional (VCP), and CompTIA A+ and Network+.
Mauro is a recognized Microsoft MVP and has also been a long-time contributor to Windows Central.
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