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.

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.

This article explains how to repair apps and programs in Windows 10 and use Settings to fix common app issues without reinstalling. Select Start > Settings > Apps > Apps & features. Select the app you want to fix. Select Advanced options under the name of the app (some apps don't have this option).

Learn about Windows RE, how to access it, and the different tools it offers.

With System Restore you can revert your PC's state to a previous point in time. This can be particularly useful when troubleshooting issues caused by recent changes, such as software installations, driver updates, or system settings modifications.

Turn on OneDrive Files On-Demand to save space by storing smaller placeholder files on your hard drive instead of full-size files. Run antivirus software like Windows Security to scan and clean up any malware that might be consuming hard-drive space.

This article describes how to start the Disk Cleanup tool and specify the hard disk to be cleaned by using the command line. To start the Disk Cleanup tool and specify the hard disk to be cleaned by using the command line, follow these steps: Click Start, and then click Run.

Learn how to use a health report in Windows Security to manage your device performance and keep your device secure.

This utility creates a USB recovery media that can help you restore your Windows device to its factory settings, even if you replace the hard drive or completely wipe the drive.