If some Windows functions aren't working or Windows crashes, use the System File Checker to scan Windows and restore your files. Though the steps below might look complicated at first glance, just follow them in order, step-by-step, and we’ll try to get you back on track.

Open Device Manager. Windows 10. In the search box on the taskbar, type device manager, then select Device Manager from the menu.

PC Health Check app brings you up to date info on your Windows device health, helping you take action to improve your device performance and troubleshoot performance problems. It is periodically updated based on customer feedback to help you make the most of your Windows PC.

Driver updates for Windows, along with many devices, such as network adapters, monitors, printers, and video cards, are automatically downloaded and installed through Windows Update.

Check your device performance and health in Windows Security. To help you keep your device secure, Windows Security monitors your device for security issues and provides a health report, which appears on the Device performance & health page.

Learn how to remove malware from your PC. Use Microsoft Defender Antivirus in Windows 10 or Windows 11 to scan your PC for malware, viruses, or other threats.

View your system info. Type info in the search box on your taskbar, and then select System Information.

You can start a scan for malware any time you like. Note: Microsoft Defender currently offers anti-malware on Windows, Android, and macOS. Windows Android Mac. From the Microsoft Defender dashboard. Select Device details.

Windows Security provides built-in security options to help protect your device from malicious software attacks. To access the features described below, tap the Windows Start button, type windows security, select it from the results, and then select Device security.

Open Control Panel in Windows. In the search box next to Start on the taskbar, type control panel. Select Control Panel from the list of results. Note: Many Control Panel features are simpler and faster in Settings .