Learn different ways to remove apps and programs from your Windows 10 or 11 device. Find tips for troubleshooting, repairing, and removing malware.

Learn how to use the Program Install and Uninstall troubleshooter to repair issues that block programs from being installed or removed. The troubleshooter fixes corrupted registry keys and runs on Windows 10, 8.1, 8 and 7.

Learn how to install and use Microsoft Authenticator, a mobile app that helps you sign in to your accounts without a password. Find out how to add your accounts, get the app for iOS or Android, and troubleshoot issues.

Learn how to use Microsoft Defender Antivirus to scan and remove malware from your PC. Follow the steps to run an offline scan, view the results, and take action on the detected threats.

Learn how to install Microsoft Defender on your Android, iOS, Mac, and Windows devices to protect yourself from threats. Find out how to set up web protection, anti-malware protection, and share your security status with family organizers.

Learn how to use the Program Install and Uninstall troubleshooter to fix corrupted registry keys, prevent programs from being installed or removed, and access the product code. The troubleshooter runs on Windows 10, 8.1, 8, and 7.

Learn how to use PC Health Check app to check your device health, Windows 11 eligibility, and troubleshoot performance issues. The app is updated periodically based on customer feedback and helps you make the most of your Windows PC.

Learn how to access Device Manager on Windows 10 to view and manage the hardware devices and drivers on your computer. Device Manager lets you update, uninstall, or troubleshoot your devices.

Learn how to configure and use Windows Security to block potentially unwanted applications (PUA) that can slow down or harm your PC. Find out how Windows Security detects and notifies you of PUA, and how to take action on them.

Learn how to use Microsoft Defender to check your device for viruses or malware on Windows, Android, or Mac. Find out the signs of infection, the types of scans, and how to run Microsoft Defender Offline for a deeper scan.