How to run sfc /scannow command? System File Checker or sfc.exe scans for, restores corrupt Windows system files protected by Windows File Protection (WFP).

Use System File Checker to scan & replace a single corrupted file To check, scan and restore a potentially corrupted system file, run Command Prompt as Administrator.

PC Health Check will run through your system and tell you if your PC meets the system requirements for Windows 11.