Windows 11 25H2 Build 26220.5770 (KB5064089) Introduces Exciting New Features (Dev)

Windows 11 build 26220.5770 (KB5064089) unveils Click to Do Excel table actions, introduces an on-screen Braille viewer, and enhances Windows Share functionalities.
This build is currently accessible in the Dev Channel, with similar features also available in the Beta Channel (build 26120.5770).The 25H2 enablement package has been launched in the Release Preview.

As part of the ongoing development for version 25H2, Microsoft has rolled out Windows 11 build 26220.5770 (KB5064089) within the Dev Channel of the Windows Insider Program. This update introduces a collection of new features, which include the Click to Do functionality, an on-screen Braille viewer, and various enhancements to the Windows Share experience.

Notably, Microsoft is now updating the build number to “26220” for the Dev Channel, moving away from the earlier “26200” designation. However, the 25H2 version will still retain the 26200 series build number upon release.

Additionally, on August 29, 2025, Microsoft announced the availability of Windows 11 25H2 in the Release Preview Channel under build 26200.5074 (KB5064081).This will serve as an enablement package for version 24H2 that activates the transition to 25H2.

Moreover, the Beta Channel has also seen the release of Windows 11 build 26120.5770 (KB5064089) for version 24H2, incorporating identical changes to those found in build 26220.5770 from the Dev Channel.

New Features in Windows 11 25H2 Build 26220.5770

The latest updates reflect Microsoft’s commitment to enhancing user experience. Here’s a breakdown of the key features introduced in Windows 11 25H2.

Enhanced Click to Do with Microsoft 365 Actions

This release of Click to Do incorporates new capabilities, specifically in recognizing tables within snapshots, allowing users to execute the “Convert to table with Excel” command to directly import content into an Excel document.

Convert to table with Excel — Convert to a table with Excel / Image: Microsoft

This option is currently limited to Copilot+ PCs equipped with Qualcomm Snapdragon processors. Moreover, to utilize this feature, users must possess the latest version of Excel through a Microsoft 365 subscription, although it is important to note that this feature is not yet available to users in Europe.

View Microsoft 365 Profile Cards / Image: Microsoft

In addition, Click to Do now features the “View Microsoft 365 Profile Cards” action, which displays a profile card with essential information about a person from within an organization or educational institution when hovering over their details in a snapshot.

On-Screen Braille Viewer

This update also debuts a new “Braille viewer” feature as part of Windows Narrator, enabling users to visualize both textual and Braille outputs, aiding in teaching scenarios.

Windows 11 Narrator Braille / Image: Microsoft

To access this feature, you can quickly launch Windows Narrator using the “Windows key + Ctrl + Enter” shortcut. Then, press “Narrator key + Alt + B” to open the Braille viewer. Please note that configuring Windows Narrator for Braille output will require downloading a specific package via Settings → Accessibility → Narrator → Use a Braille display with Narrator.

New “Find Apps” Option in Windows Share

The new “Find apps” feature within the Windows Share interface enables users to easily locate and select the appropriate app for sharing files. Furthermore, if the app is not already installed, users have the option to download it directly from the Microsoft Store.

Windows Share find apps / Image: Microsoft

Additional Fixes and Enhancements

Alongside the new features, Windows 11 builds 26220.5770 and 26120.5770 include several fixes aimed at improving overall system performance, such as:

Taskbar: Resolved flyout misplacement issues on secondary monitors and corrected duplicate preview thumbnails when switching between desktops.
Windowing: Fixed a crash in explorer.exe triggered by “ALT + Tab” usage from the previous release.
Display: Addressed a bug causing HDR settings to revert unexpectedly.
Audio: Fixed issues resulting in temporary audio loss when casting to a TV.
Graphics: Updated Windows OS Direct3D 12 version to correspond with Agility SDK 1.616.1.
Miscellaneous: Rectified smart card driver errors (error 31), typos in help lists, PIN confirmation problems during casting, and inaccuracies in Task Manager tooltips.

Finally, Microsoft has outlined some known issues related to these builds, including:

File Explorer: The “Shared” section may still appear in Home, even if it is empty.
Settings: Users may experience hangs during temporary files scans, with previous Windows installations not displaying under the Storage area.
Audio: Some users report audio problems due to corrupted or missing drivers (e.g., “ACPI Audio Compositor”).
Xbox Controllers: Bluetooth connectivity may lead to bug checks.

How to Download Windows 11 Build 26220.5770

To obtain Windows 11 build 26220.5770, users should enroll their devices in the Dev Channel (for version 24H2, enrollment in the Beta Channel is required) via the “Windows Insider Program” settings in the “Update & Security” section. Once enrolled, users can download the build by navigating to “Windows Update” settings, enabling the “Get the latest updates as soon as they’re available” option, and then clicking the “Check for Updates” button.

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