Uninstall or remove apps and programs in Windows
If you get an error message when you're uninstalling, try the Program Install and Uninstall Troubleshooter. If you're trying to remove malware, see Stay protected with Windows Security …
How to uninstall a Windows Update - Microsoft Support
Important: Before uninstalling a security update, make sure you understand the risks. If you're using Windows 11, try to reinstall your version of Windows first.
Uninstall Microsoft 365 or Office from a PC - Microsoft Support
The following steps describe how to uninstall Microsoft 365 products on a PC (laptop, desktop, or 2-in-1). For Mac, see Uninstall Office for Mac. Tip: Uninstalling Microsoft 365 only removes the …
October 14, 2025—KB5066835 (OS Builds 26200.6899 and …
Oct 14, 2025 · Windows Secure Boot certificate expiration Important: Secure Boot certificates used by most Windows devices are set to expire starting in June 2026. This might affect the …
Fix problems that block programs from being installed or removed
Oct 14, 2025 · Block you from uninstalling a program through Add or Remove Programs (or Programs and Features) in Control Panel. If you're trying to remove malware, you can use …
Ways to install Windows 11 - Microsoft Support
Feb 4, 2025 · Learn how to install Windows 11, including the recommended option of using the Windows Update page in Settings.
Repair apps and programs in Windows - Microsoft Support
Select Start > Settings > Apps > Apps & features. Apps & features in Settings Select the app you want to fix. Select Advanced options under the name of the app (some apps don't have this …
"Finish installing update" appears in the system tray after you …
Consider uninstalling applications that you aren’t currently using and that heavily use icon overlays. This will unregister the icon overlays, and it could enable OneDrive for work or …
Turn off Copilot in Microsoft 365 apps - Microsoft Support
Jun 3, 2025 · If you want to turn off Copilot in a Microsoft 365 app (for example, Word, PowerPoint, and Excel), you can clear the Enable Copilot checkbox in the app on your …
Installing Microsoft Defender - Microsoft Support
Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR …