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Windows 11 Windows 11 Insider 24H2 Insider Preview, Beta Channel
Windows Insider

Build 26120.6760

Build 26120.6760: Windows Insider Beta Channel, September 2025. Taskbar network speed tests and voice command timing

In short

Dev and Beta Channel Insiders get a taskbar network speed test, a voice-command delay setting, and fixes for issues including screen readers, battery status, and shared folders.

Does it affect you? Applies to: Windows Insiders in the Dev Channel on Windows 11, version 25H2, and the Beta Channel on Windows 11, version 24H2.

Builds
26120.6760 · 26220.6760
Review notes Additional details from the official release notes (2) Read notes
  • In short The network speed test is being rolled out gradually to Insiders with the latest-updates toggle on. Insiders with the toggle off may receive it later as the rollout expands.
  • In detail Microsoft has paused new flights of both builds while it works on the fix for the lost-features issue.

The official sources are linked at the end of the page.

This is a test build for people in the Windows Insider Program. Features in it can change, be removed, or never reach regular Windows releases.

What changes

Fixes 10 changes

General

Gradual rollout

For: Insiders in the Dev and Beta Channels with the latest-updates toggle on

  • Some screen readers can read screen content again after recent builds.1

Click to Do (Preview)

Gradual rollout

For: Copilot+ PC users in the Dev and Beta Channels with the latest-updates toggle on

  • Click to Do no longer unexpectedly opens in some cases when you press Win + P.2
    For Click to Do on Copilot+ PCs.

Taskbar & System Tray

Gradual rollout

For: Insiders in the Dev and Beta Channels with the latest-updates toggle on

  • The battery icon more accurately reflects whether the device is charging.3

File Explorer

Gradual rollout

For: Insiders in the Dev and Beta Channels with the latest-updates toggle on

  • Folder view choices, such as sorting and icon size, carry over when you open the same folder from another app.4
    The issue was particularly noticeable in Downloads when Group By Date was turned off.

Lock and Login screens

Gradual rollout

For: Insiders in the Dev and Beta Channels with the latest-updates toggle on

  • Media controls can appear on the lock screen while supported apps are playing media.5

Windows Update

Gradual rollout

For: Insiders in the Dev and Beta Channels with the latest-updates toggle on

  • Update and shutdown shuts down the PC as expected.6

Settings

Gradual rollout

For: Insiders in the Dev and Beta Channels with the latest-updates toggle on

  • Settings no longer crashes for some Insiders when they open drive information, and its search box placeholder is no longer vertically misaligned.7
    The drive-information crash also affected drive properties opened from File Explorer.

Networking

For: Everyone in the Dev and Beta Channels

  • You can connect to shared files and folders when using SMB v1 over NetBIOS over TCP/IP.8
    Addresses an issue with Server Message Block (SMB) v1 on NetBIOS over TCP/IP (NetBT).

For Developers

For: Developers using PIX on Windows

  • A separate PIX release addressed an issue that stopped PIX on Windows from playing back GPU captures.9
    The release was separate from this Windows build.

Video Playback

  • Protected content playback works again in certain Blu-ray, DVD, and digital TV apps.10
    The affected apps use Enhanced Video Renderer with HDCP.

New features 4 changes

Taskbar & System Tray

Gradual rollout

For: Insiders in the Dev and Beta Channels with the latest-updates toggle on

  • A built-in network speed test opens from the taskbar and can test Ethernet, Wi-Fi, and cellular connections.11
    Launch it from the Wi-Fi or Cellular Quick Settings page, or by right-clicking the network icon in the system tray. It opens in the default browser.

Get Started/Microsoft 365 Copilot

Gradual rollout

For: Users of eligible managed commercial devices

  • Get Started adds a Microsoft 365 Copilot page with information and links to help users find Copilot features.12
    For managed commercial devices with an active Microsoft 365 subscription.

File Explorer

Gradual rollout

For: Cloud providers and developers

  • Cloud providers can use new APIs to show suggestions in File Explorer Home.13
    Introduces StorageProvider APIs for cloud providers to integrate with File Explorer Home.

Voice access

Gradual rollout

For: Insiders using voice access in the Dev and Beta Channels

  • A new setting lets you choose how long voice access waits before carrying out a voice command.14
    Find it in voice access settings > Wait time before acting.

Improvements 2 changes

Windows Search

Gradual rollout

For: Copilot+ PC users in the Dev and Beta Channels with the latest-updates toggle on

  • The File Explorer search box gets placeholder text that points to the improved Windows Search experience.15
    For Insiders using Copilot+ PCs.

Emoji

Gradual rollout

For: Insiders in the Dev and Beta Channels

  • Emoji 16.0 is temporarily unavailable and is planned to return in a future release.16

Technical details

Data sheet · Security · Downloads · Components Click to collapse or expand

Data sheet

Released
2025-09-29
Type
Windows Insider build
VersionBuildChannel
— 26120.6760 Beta Channel
— 26220.6760 Dev Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (16)
  1. 1. Fixed an underlying issue which was leading to some screen readers no longer being able to read screen content after the latest flights. blogs.windows.com
  2. 2. Fixed an issue where Click to Do may unexpectedly invoke sometimes when pressing WIN + P. blogs.windows.com
  3. 3. Fixed an issue in the latest builds where the battery icon could get out of sync with the actual charging state (for example, it would show that you weren’t plugged in when you were). blogs.windows.com
  4. 4. Fixed an issue where when you customized a folder’s view (for example, sorting files by name or changing the icon size), those settings only applied to the specific navigation path. blogs.windows.com
  5. 5. Fixed an issue in the latest build where the media controls might not be displayed on the lock screen although media was playing in an app that supports these controls. blogs.windows.com
  6. 6. Fixed an underlying issue which could lead “Update and shutdown” to not actually shut down your PC after. blogs.windows.com
  7. 7. Fixed an issue causing Settings to crash for some Insiders when accessing drive information under Settings > System > Storage. blogs.windows.com
  8. 8. Fixed an issue where you might not be able to connect to shared files and folders if you were using the Server Message Block (SMB) v1 protocol on NetBIOS over TCP/IP NetBIOS (NetBT) after the latest updates. blogs.windows.com
  9. 9. There was an issue where PIX on Windows was unable to play back GPU captures on the latest OS versions. This was addressed by a new PIX release late last week. blogs.windows.com
  10. 10. Fixed an issue that affected playback of protected content in certain Blu-ray, DVD, and digital TV apps that used Enhanced Video Renderer with HDCP blogs.windows.com
  11. 11. We are introducing the ability to do built-in network speed test accessible from the taskbar. You can launch it via the Wi-Fi and Cellular Quick Settings pages or by right-clicking the network icon in the system tray. blogs.windows.com
  12. 12. We’re adding a new Microsoft 365 Copilot page to the Get Started experience for managed commercial devices that are managed with an active Microsoft 365 subscription. blogs.windows.com
  13. 13. New! StorageProvider APIs for cloud providers to integrate with File Explorer Home. blogs.windows.com
  14. 14. We are introducing a new ‘Wait time before acting’ setting in voice access, allowing users to configure the delay before a voice command is executed. blogs.windows.com
  15. 15. For Insiders with Copilot+ PCs, we’re updating the File Explorer Search Box placeholder text to raise awareness of the improved Windows Search experience introduced earlier this year. blogs.windows.com
  16. 16. We are temporarily turning off Emoji 16.0 and will bring it back in a future release. blogs.windows.com
Checked automatically: 8 of 8 checks passed, 16 quoted passages
  • Quotes found in the official pages: passed
  • Numbers found in the sources: passed
  • Vulnerabilities from the dossier only: passed
  • Links to allowed domains only: passed
  • Every official change covered: passed
  • Readable plain text: passed
  • Changes confirmed by the file list: passed
  • Sources agree: passed

A second AI read the text against the sources: correctness 4/5, clarity 4/5, completeness 3/5. How we work

Published by The Update Bureau. Written with AI from Microsoft's own documents, checked by rules and a second AI. How we work · Report a mistake