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Windows 11 Windows 11 Insider 25H2 Insider Preview, Beta Channel
Windows Insider

Build 26220.7752

Build 26220.7752: Windows Insider Beta Channel, February 2026. Built-in Sysmon, Dutch Voice Access, and file-handling fixes

In short

Beta Channel Insiders are testing built-in Sysmon, Netherlands locale support in Voice Access, and fixes for File Explorer and apps handling cloud files.

Does it affect you? Applies to: Windows Insiders in the Beta Channel. This build is based on Windows 11, version 25H2.

Build
26220.7752

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 2 changes

File Explorer

Gradual rollout

For: Beta Channel Insiders with the latest-updates toggle on

  • Keyboard navigation and access keys work better, folders can be renamed with custom names, and icons and tooltips for “Add to favorites” are no longer missing.1

Other

Gradual rollout

For: Beta Channel Insiders with the latest-updates toggle on

  • Apps no longer freeze when working with files on OneDrive or Dropbox. Some Outlook setups with PSTs on OneDrive also no longer hang or reload email data.2

New features 2 changes

Built-in Sysmon

Gradual rollout

For: Beta Channel Insiders with the latest-updates toggle on

  • Windows includes Sysmon, which captures system events that can help detect threats; custom configuration files can filter which events it monitors.3
    Captured events are written to the Windows event log. Built-in Sysmon is disabled by default.

Voice Access

Gradual rollout

For: Beta Channel Insiders with the latest-updates toggle on

  • Voice Access supports the Netherlands locale.4

Technical details

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

Data sheet

Released
2026-02-03
Type
Windows Insider build
VersionBuildChannel
— 26220.7752 Beta Channel

Security

No vulnerabilities are listed for this update.

Sources

Updated
Cited passages from Microsoft's official notes (4)
  1. 1. We fixed a few issues in File Explorer, including accessibility improvements (keyboard navigation and access keys), folder renaming with custom names, and missing icons/tooltips for “Add to favorites”. blogs.windows.com
  2. 2. We fixed an issue that caused apps to freeze when working with files on OneDrive or Dropbox. Some Outlook setups with PSTs on OneDrive could also hang or reload email data. blogs.windows.com
  3. 3. Sysmon functionality allows you to capture system events that can help with threat detection, and you can use custom configuration files to filter the events you want to monitor. blogs.windows.com
  4. 4. Support for the Netherlands locale has been added. blogs.windows.com
Checked automatically: 8 of 8 checks passed, 4 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 5/5, clarity 4/5, completeness 5/5. 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