Provides links to the uninstall tools and directions for many security programs.

Learn how to get older apps or programs to run on Windows 10 or Windows 11 by adjusting compatibility settings.

After October 14, 2025, Microsoft will no longer provide free software updates from Windows Update, technical assistance, or security fixes for Windows 10. Your PC will still work, but we recommend moving to Windows 11. Learn more. Note: Use these steps for Windows programs.

There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.

Use this tool to find and remove specific prevalent threats and reverse the changes that they made (see Covered malware families). For comprehensive malware detection and removal, consider using Windows Defender Offline or Microsoft Safety Scanner.

Alternatively, if installation doesn't start automatically, browse the disc to find the program setup file, usually called Setup.exe or Install.exe. Open the file to start installation.

Real-time protection is a feature in the Windows Security app that continuously monitors your device for potential threats such as viruses, malware, and spyware. This feature ensures that your device is actively protected by scanning files and programs as they are accessed or executed.

The installation file is typically named Autorun.exe or Setup.exe, but this may vary. If you're not sure, check the Readme file in the folder for instructions about how to run the installation process.

In the search box on the taskbar, enter control panel and select Control Panel from the results. Select Programs > Programs and Features. Right-click the program you want to fix and select Repair, or if that’s not available, select Change. Then follow the directions on the screen. For more tips, see Repair an Office application.

When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.