Build 26340.9354 for Windows 11 26H2 adds new Assisted Setup feature – Experimental

• Windows 11 build 26340.9354 is rolling out through the Experimental channel for version 26H2 with several improvements.
• Magnifier can now use separate zoom levels on each display and lock a screen’s magnified view.
• Narrator adds natural math equation reading and navigation in supported Microsoft 365 apps.
• Settings gets expanded Sound controls, a new Device Info card, improved privacy controls, and more.
• The build also introduces Assisted Setup, improves File Explorer and Taskbar experiences, and includes several fixes.

Microsoft is releasing the Windows 11 Insider Preview Quality Update (26340.9354) for version 26H2 through the Experimental experience in the Windows Insider Program. This wave of updates introduces improvements to existing features, along with various fixes, as part of the Windows K2 initiative.

According to the official notes, Windows 11 build 26340.9354 restarts the rollout of enhanced Taskbar preview animations, adds a few changes to cross-device resume, gives Windows Narrator math reading and navigation support, and updates the Magnifier to understand each screen.

This update also makes an updated version of File Explorer available with a few improvements. The Settings app also receives a few changes, including improvements to the Sound and Fonts settings.

In addition, this flight introduces fixes for the Taskbar, input, Administrator Protection, and Assisted Setup in OOBE.

Furthermore, the development team is temporarily no longer including the modernized Print Management app, and you can now save notification tips in Notification Center for later viewing.

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What’s new on Windows 11 build 26340.9354 (Experimental)

These are the new features and improvements rolling out in the Experimental channel:

Cross-device resume gets more flexible

Picking up where you left off is getting easier. When you resume a webpage from your phone, and its browser isn’t installed on your computer, the “Resume” hovercard now lets you open the page directly in your device’s default browser or install the browser used on your phone for a native experience.

That means you can get back to the page immediately without installing another app first.

Settings Home gets a handy PC snapshot

Microsoft is expanding the “Device Info” card on Settings Home to more markets globally for Windows Insiders signed in with a Microsoft account.

The card gives you a quick look at your computer’s key specifications and usage, including storage, with a direct link to the “About” page for more details. The company previously tested the experience with Insiders in the United States and on Settings Home for managed devices signed in with a Microsoft Entra ID.

Privacy controls are easier to find

The improved “Privacy & security” page is also more useful, with Camera, Microphone, and Location privacy controls easier to find. Similar settings are now grouped together, and usage information previously buried in linked pages is now on the main page.

Taskbar previews get smoother

Microsoft is restarting the rollout of enhanced Taskbar preview animations, bringing smoother transitions when switching between app groups.

File Explorer search results are easier to scan

File Explorer is making search results more readable by displaying key file details, including the name, location, and date, in a consistent layout.

Family Safety explains blocked apps better

When an app is blocked because of age-restricted parental controls, Windows 11 now provides clearer Family Safety messages explaining why the app was blocked.

Narrator makes math easier to read and explore

Windows Narrator is getting a major accessibility boost with support for reading and navigating math equations in supported Microsoft 365 apps, including Word and PowerPoint. Instead of reading every symbol separately, the feature now describes equations in a more natural, structured way, such as reading a fraction’s numerator and denominator together.

Users can also press the “Narrator key + Alt + N” keyboard shortcut to enter a dedicated math navigation mode and use the arrow keys to move through parts of an equation, including fractions, exponents, and roots. Press “Esc” to exit the mode.

The new feature is available immediately, and you can customize its speech style and navigation preferences in Narrator settings.

Magnifier finally treats each display independently

Magnifier is getting a significant upgrade for multi-monitor setups. When your displays are set to “Extend” under the “Display” settings page, each screen can now maintain its own zoom level instead of stretching one magnified view across every monitor. That means you could work at 300 percent on one display while keeping a reference screen at 150 percent, with each monitor maintaining its own boundaries.

You can adjust each display using the “Windows key + Plus (+)” or “Windows key + Minus (-)” keyboard shortcut, “Ctrl + Alt + mouse wheel,” the controls under the “Magnifier” settings page, or by moving the Magnifier toolbar to the screen you want to adjust. Per-monitor zoom is enabled by default, but you can turn it off to restore the classic behavior.

There’s also a new viewport locking option that keeps a display’s magnified view fixed while you move your pointer to another screen. Use the “Ctrl + Windows key + K” shortcut to lock or unlock the display under your pointer, or the “Windows key + Esc” shortcut to release all locks. The locked view remains live and interactive, and you can change the locking shortcut to “Ctrl + Alt + P” in Magnifier settings.

Sound settings gets a much-needed cleanup

Microsoft is making the “Sound” settings page more capable, with several changes that bring controls out of Control Panel and make audio settings easier to understand. Volume sliders now show audio activity while sound is playing, while supported devices gain hardware acceleration and exclusive mode controls directly in their “Advanced” properties.

You can also configure adaptive communication sound levels in Settings, and the option to make a device the default communication sound device now always appears in “Properties,” although it’s unavailable when the device is already the default.

Microsoft has also clarified the audio-device permission text and added a banner explaining that some properties don’t apply while mono audio is enabled.

The “All sound devices” page is also getting a redesign. You can now change default devices there, filter between input and output devices, and choose whether to show or hide disabled, disconnected, and unplugged devices. Finally, audio input and output properties now include jack information for devices that require it.

Fonts expand support for African writing systems

Windows 11 is expanding support for African writing systems with Ebrima, Microsoft’s first font to support both Garay and Beria Erfe. Garay was added to Unicode 16.0 in September 2024, while Beria Erfe arrived with Unicode 17.0 in September 2025.

Microsoft is also refining Adlam, with updated glyph designs that follow the current Unicode standard and improve consistency.

Print Management goes back to the workshop

Microsoft is temporarily pulling the modernized Print Management experience from Windows Insider builds while it refines the design based on feedback.

The existing Print Management tools remain available and unaffected, with the updated experience expected to return in a future build after additional improvements.

Notification tips are easier to find again

You can now save notification tips to Notification Center after you dismiss them or they time out.

The idea is to give you another chance to find and review useful tips instead of losing them when they disappear.

Assisted Setup makes finishing setup easier

The operating system is introducing Assisted Setup, an optional way to finish setting up a new computer after the initial Windows Setup. It can guide you through installing apps, personalizing the device, and updating the system, helping you get the computer ready to use with less effort.

If you prefer to handle everything yourself, you can simply skip “Assisted Setup” and go straight to the desktop.

Other fixes

Windows 11 build 26340.9354 also includes several fixes and improvements.

• Taskbar: Fixed an issue where the Taskbar app preview window might not respond correctly when switching between dark and light modes.
• Input: Fixed an issue that could cause the mouse cursor to move in the wrong direction on portrait-oriented monitors.
• Administrator Protection: Fixed an issue from the previous build that prevented the UAC dialog from appearing for some Insiders when Admin Protection was enabled.
• General reliability: Fixed an issue that caused some Insiders to encounter a SYSTEM SERVICE EXCEPTION bug check when launching or closing certain apps after the previous build.

Microsoft is working on fixes for an issue causing mouse cursor customization to not work correctly and another issue preventing desktop background customization from persisting after a reboot.

Feature flags for build 26340.9354

Here’s a complete list of the flags you can use to enable experimental features in Settings > Windows Update > Windows Insider Program > Feature flags:

• Camera Roll Backup
• Cross Device Resume Improvement
• Emoji 17.0
• Enhanced start menu customization
• Improved Context Menu
• Magnifier toolbar refresh
• Modernized AutoPlay Experience
• Refined Windows Search
• Short Query File Search support
• Support for displaying mouse cursor crosshair

Download Windows 11 update 26340.9354

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.

Alternatively, you can download the ISO files from the Windows Insider Preview Downloads page. Specific preview builds are available for a limited time only.