Use the System File Checker tool to repair missing or corrupted system ...
Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.
Remove specific prevalent malware with Windows Malicious Software ...
Windows. Summary. The Windows Malicious Software Removal Tool (MSRT) helps remove malicious software from computers that are running any of the following operating systems: Windows 10. Windows Server 2019. Windows Server 2016. Windows 8.1. Windows Server 2012 R2. Windows Server 2008 R2. Windows 7. Windows Server 2008.
Automatically fix Windows security issues - Microsoft Support
Follow these steps to automatically diagnose and repair Windows security problems by turning on UAC, DEP protection, Windows Firewall, and other Windows security options and features. Select the Download button on this page.
Phone Link requirements and setup - Microsoft Support
From your PC, you can connect to select Android, Samsung, HONOR, OPPO, and ASUS devices with the Link to Windows app that's either preinstalled on your device or that you can download from the Google Play or Samsung Galaxy Store. This link between your Android device and PC gives you instant access to everything you love.
Remove malware from your Windows PC - Microsoft Support
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.
Applies To:
OneDrive (home or personal), OneDrive for Windows
Introducing Microsoft Phone Link and Link to Windows
The Link to Windows app is preinstalled on select Samsung, HONOR, Surface Duo, and OPPO devices that are running Android 9.0 or later. On such devices, you can find the Link to Windows app under the Quick Settings menu by swiping down from the top of your screen.
How to start a scan for viruses or malware in Microsoft Defender
You can start a scan for malware any time you like. Note: Microsoft Defender currently offers anti-malware on Windows, Android, and macOS. If you want a deeper scan, instead of selecting Quick scan in step 3, select Scan options and choose the type of scan you want.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
How to use the PC Health Check app - Microsoft Support
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.
Command Prompt and Windows Powershell for Windows 11
In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.
Update Windows - Microsoft Support
In Windows 10, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select the Start button, and then go to Settings > Update & Security > Windows Update .