Learn how to use the System File Checker tool (SFC.exe) to scan and restore Windows system files that are not working or causing crashes. Follow the steps to run SFC.exe, view the scan results, and manually replace the corrupted files if needed.

Learn how to delete temporary and system files to free up disk space on your PC. Follow the steps to run Disk Cleanup and select the file types to get rid of.

Learn how to use the MSRT to remove specific prevalent malware from Windows computers. Find out how to download, run, and update the tool, and what it does when it detects malicious software.

Learn how to clear up disk space on your Windows 11 or Windows 10 PC to install important updates and improve performance. Find tips, tools, and troubleshooting for low disk space errors and storage options.

You use the Windows Backup utility to perform a backup on a computer that is running Windows 7. The backed up files are saved on a hard disk drive. You use the Windows Backup utility again to perform a backup for a group of files that are larger than the first group of backed up files.

Learn how to protect Windows systems against L1TF, MDS, and other variants of speculative execution side-channel vulnerabilities that affect Intel processors. See the CVEs, security advisories, and mitigation options for each vulnerability.

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 restore your system.

Learn how to use various built-in tools to customize and monitor your Windows device. Find out how to access and use Settings, Task Manager, Computer Management, Event Viewer, Control Panel, and more.

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.

PC Health Check app helps you check your device compatibility, performance, and troubleshoot issues for Windows 11. It also provides updates, backup, and sync features for your Windows PC.