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.

Get help if you're having trouble playing content downloaded from the Xbox network on your Windows 10/11 device.

In search on the taskbar, enter Control Panel and select it from the results. Select Programs > Programs and Features. Press and hold (or right-click) on the program you want to remove and select Uninstall or Uninstall / Change. Then follow the directions on the screen. Need more help?

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.

You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page. Select Start > Settings > Apps > Installed apps. Select the More icon next to the app you want to fix.

Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows 11, Surface, and more.

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

Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.

In the Windows Security app on your PC, select App & browser control, or use the following shortcut: App & browser control. Smart App Control adds significant protection from new and emerging threats by blocking apps that are malicious or untrusted.

Depending on your browser, select Run (in Edge or Internet Explorer), Setup (in Chrome), or SaveFile (in Firefox). If you see the User Account Control prompt that says, Do you want to allow this app to make changes to your device? select Yes. The install begins. Which language do you need?