# sfc > Scans the integrity of Windows system files. > More information: . - Display information about the usage of the command: `sfc` - Scan all system files and, if possible, repair any problems: `sfc /scannow` - Scan all system files without attempting to repair any: `sfc /verifyonly` - Scan a specific file and, if possible, repair any problems: `sfc /scanfile={{path/to/file}}` - Scan a specific file without attempting to repair it: `sfc /verifyfile={{path/to/file}}` - When repairing offline, specify the boot directory: `sfc /offbootdir={{path/to/directory}}` - When repairing offline, specify the Windows directory: `sfc /offwindir={{path/to/directory}}`