Build 26300.8068: Windows Insider Experimental Channel, March 2026. Custom user-folder names and stricter driver trust checks

For: IT admins managing Windows Enterprise or Education

• Admins can add app package family names to a dynamic list to remove preinstalled Microsoft Store apps on Windows Enterprise and Education.¹
  The “Remove Default Microsoft Store packages” policy accepts MSIX/APPX package family names (PFNs) in the “Specify additional package family names to remove” multi-text list.

For: Insiders using third-party kernel drivers

• Windows first checks driver compatibility in audit mode. After the policy is enforced, some users might see cross-signed drivers blocked.²
  The feature remains in audit mode for at least 100 hours and 3 reboots. If loaded drivers are compatible, enforcement begins; otherwise, the system stays in audit mode.

• Local admins see a settings dialog where they can view or change the default restore settings.³
  The dialog appears behind a User Account Control (UAC) prompt.
• The restore experience shows the restore points available on the device.⁴

For: Insiders using the WinRE restore experience

• The restore messages recommend connecting the device to power, and show the OS version in a four-part format instead of a two-part format.⁵

For: Insiders using Drop Tray

• Drag Tray is renamed Drop Tray, and its settings move from Nearby Sharing to System > Multitasking.⁶

For: Insiders who received the context-menu refinements

• The rollout of File Explorer context-menu refinements is stopping while further improvements are made; the refinements will return in a future release.⁷

For: Insiders setting up Windows

• During setup, you can choose a custom name for your user folder on the Device Name page. If you skip this step, Windows uses the default folder name.⁸
  The naming option is available during setup only and must follow standard Windows naming requirements.

For: Insiders using third-party kernel drivers

• Windows trusts third-party WHCP drivers by default and keeps an allow list for trustworthy publishers and drivers from the cross-signing program.⁹
  The Windows kernel policy removes default trust for cross-signed drivers.

• Microsoft 365 Family subscribers see an option to upgrade to a different 365 plan on the Accounts page in Settings. Turning off suggested content removes the option.¹⁰

For: Insiders using a pen with a tail button

• A new “Same as Copilot key” option lets the pen tail button launch the same app as the Copilot key.¹¹

For: Insiders

• Setting and using a preferred display language is more reliable.¹²

For: Insiders running System File Checker

• sfc /scannow no longer shows an extraneous unexpected error.¹³