What’s new in KB5127648?
File Explorer now once again offers a preview of files downloaded from the Internet, such as PDF files. For HTML files, an additional click is required – you can see the preview using the new “Preview” button.
Now you can remap the Copilot key on your keyboard (something many users consider completely superfluous) and finally make it useful. However, by default, the Copilot key can only be remapped to the right Ctrl key, context menu, or Windows Search. But if you install the free PowerToys suite, you can remap the Copilot key to whatever you want.
Bluetooth is a long-standing and annoying problem in Windows. With the October 2026 update, Microsoft significantly improves Bluetooth and promises fixes for audio, microphones, LE Audio, and the Settings page.
According to Windows Latest, there are other improvements in play as well:
- Apps can now be opened in full screen mode with a new setting in the Accessibility menu.
- The system’s emoji set is now Emoji 17.0, and includes a distorted face, a ballet dancer, an orca, and a furry creature.
- One-finger scrolling on the touchpad and automatic scrolling.
- A tips widget for widget overview and lock screen.
- Back up photos from your smartphone to OneDrive via Settings.
- Updates to the Magnifying Glass toolbar.
- Wallpapers now support DIB images.
- Microsoft has removed the PC to PC migration tool.
- Microsoft has fixed bugs with file version history and domain trust.
How to get the update
This Windows 11 update is available in Settings → Windows Update as soon as it is available for your PC. If necessary, click “Check for Updates” to download updates.
After installing the October update, Windows 11 26H2 has build number 26300.9711, Windows 11 25H2 has build number 26200.9711, and Windows 11 24H2 (which is no longer supported) has build number 26100.9711.