Windows 11 KB5066835 (Oct 2025): what’s fixed, what might change, and how to install
Microsoft’s October cumulative update bumps 24H2/25H2 to 26100.6899/26200.6899 with security fixes, reliability updates, and a few removals.
Windows 11
Windows 11 is Microsoft's modern PC operating system, built to deliver a refreshed interface, stronger productivity tools, gaming features, enhanced security, and deep integration with services like Copilot. It launched as the successor to Windows 10 and supports a wide range of desktops, laptops, and compatible hardware configurations for work, play, and everyday computing. | Release Date: October 5, 2021 | Developer: Microsoft | Platforms: x86-64 PCs, Arm64 PCs | Genre: Operating System
Connect Copilot to Gmail, OneDrive, and more on Windows 11
Link Microsoft and Google accounts to search emails, files, and contacts directly from Copilot.
Windows 11 Dev build 26220.6780 (KB5067103) adds a dark Run box
The latest Dev Channel update also restores Administrator Protection and fixes Taskbar, Start menu, and File Explorer bugs.
Windows 11 support end dates — Home, Pro, Enterprise, and more
There’s no single cutoff; support depends on your edition and the specific Windows 11 version you’re running.
Set your Windows 11 user folder name during OOBE (Insider builds)
A hidden command lets you pick C:\Users folder name during setup, with a few limits and caveats.
Enable Secure Boot on ASUS motherboards and laptops (UEFI)
Turn on Secure Boot in BIOS, verify it in Windows, and resolve greyed‑out options.
Windows 11 25H2 ISO (64‑bit) — how to download from Microsoft
Where to get the official x64 image, plus Arm64, Insider, and Enterprise options.
Windows 11 KB5065789 (24H2/25H2) — AI actions, gaming and Hello fixes
September’s preview bumps 24H2/25H2 to .6725 with AI menu tools and fixes for WSUS, Sandbox, HDR, and Hello.
Make a Windows 11 25H2 USB for unsupported PCs — Rufus, Ventoy
Create bootable media that skips TPM, Secure Boot, RAM, and online account checks using official ISOs.
Create a stripped-down Windows 11 ISO with Nano11 Builder
Automate a lightweight, non-serviceable Windows 11 ISO for testing using official Microsoft tools.
Remove Windows 11 bloatware using the built‑in policy (24H2/25H2)
Configure Group Policy or the Registry to strip default Store apps for new accounts.
Windows 11 KB5065426 (24H2) — what’s new, what’s fixed, and how to install
September’s update brings security fixes, SMB auditing, input repairs, and AI component updates for Copilot+ PCs.
Remove Copilot in tiny11 (Windows 11 25H2) — build a clean ISO
Use tiny11builder to strip Copilot from a 25H2 image and reduce reinstalls.
How to Copy List of File and Folder Names to Clipboard in Windows 11
Copying file and folder names to the clipboard in Windows 11 can be done quickly using built-in features, command-line tools, or custom context menu tweaks—here’s how to streamline the process for any scenario.
How to Prevent Pinning or Unpinning of Programs to Taskbar in Windows 11
Learn how to use Group Policy and XML configuration to control which programs users can pin or unpin from the Windows 11 taskbar.
How to Fix Remove Hello PIN Greyed Out in Windows 11
Learn clear solutions to enable the "Remove" option for Windows Hello PIN when it's unavailable in Windows 11.
How to Fix No Low Battery Notification on Windows 11
Learn how to restore missing low battery alerts on your Windows 11 laptop by adjusting system settings, updating drivers, and checking battery health.
How to Restore Quarantined Files in Windows Defender on Windows 11
Restore files quarantined by Windows Defender in Windows 11 using Windows Security, command line, or advanced recovery tools.
How to Disable a Specific Keyboard Key in Windows 11
Detailed instructions for turning off individual keys in Windows 11 using PowerToys, registry edits, and third-party tools, plus tips for laptop and external keyboards.
How to Disable Taskbar on the Second Monitor in Windows 11
Learn the most effective ways to remove or hide the taskbar from your secondary display in Windows 11 by following these effective solutions.
How to Uninstall or Remove a Printer in Windows 11
Learn practical methods to completely remove a printer and its drivers from Windows 11, including solutions for stubborn or unresponsive printer entries.
How to Fix Black Screen After Shut Down on Windows 11
Restore access to your Windows 11 system when a black screen appears after shutdown, update, or restart by following these targeted troubleshooting steps.
How to Fix Windows 11 Update or Activation Error 0x800f0805
Resolve Windows 11 error 0x800f0805 with clear solutions for both update failures and product key activation issues.
How to Disable Login After Sleep in Windows 11
Learn practical methods to stop Windows 11 from requiring a password or sign-in after your PC wakes from sleep mode.