Learn how to install and use PC Health Check, a Windows 10 app that monitors device health and troubleshoots performance. Find out how to check Windows 11 eligibility, sync files, update Windows, and more.

Learn how to use the System File Checker tool (SFC.exe) to scan and restore missing or corrupted system files in Windows. Follow the steps to run the tool, view the scan results, and manually replace the corrupted files if needed.

Learn how to use PC Health Check app to check your device health, Windows 11 eligibility, and troubleshoot performance issues. Find out how to install, update, and access the app features and settings.

Learn how to use the PC Health Check app to see if your device meets the system requirements for Windows 11 after changing hardware. Find out how to manually refresh the eligibility assessment and troubleshoot issues with the app.

Learn how to determine whether your computer is running a 32-bit or 64-bit version of Windows operating system. Follow the steps to view the System window or the System Information window and look at the System Type entry.

Learn how to use Scanreg.exe to scan, backup, and restore the Windows registry for invalid entries and empty data blocks. Find out how to configure, start, and troubleshoot the tool with command-line switches and Scanreg.ini file.

Learn how to check your device performance and health in Windows Security, which monitors your device for security issues and provides a health report. The health report alerts you to common issues in four key areas and offers recommendations to remedy them.

Learn how to scan specific files and folders with Windows Security (formerly Windows Defender Security Center) to check for threats. See how to turn on antivirus protection and manage settings in Windows Security app.

Learn how to check and enable TPM 2.0, a security feature required for Windows 11, on your PC via UEFI BIOS (firmware) settings. Find links to PC manufacturer's support information and other Windows 11 system requirements.

Find out if your PC can run Windows 11 by checking the basic and additional requirements for specific features. Learn how to check your PC's specs and get help from Microsoft.