How to prevent and remove viruses and other malware - Microsoft Support
Learn how to use Microsoft Safety Scanner, a free online tool that scans and helps remove potential threats from your computer. Find out how to update your computer, use other Microsoft tools, and protect yourself from malware.
Remove malware from your Windows PC - Microsoft Support
Open your Windows Security settings. Select Virus & threat protection > Scan options. Select Microsoft Defender Antivirus (offline scan), and then select Scan now. The Microsoft Defender Offline scan takes several minutes to run, and then your PC will restart.
Applies To:
OneDrive (home or personal), OneDrive for Windows
Stay protected with Windows Security - Microsoft Support
If you're worried about a specific file or folder on your local device, you can right-click the file or folder in File Explorer, then select Scan with Microsoft Defender. Tip: On Windows 11 you may have to select Show more options after you right-click to see the option to scan the file or folder.
Keep your computer secure at work - Microsoft Support
Microsoft Safety Scanner. If you're still running Windows 8 then the Microsoft Safety Scanner provides full and comprehensive on-demand antimalware scans. It offers robust offline scan and cleanup capabilities. However, it does not provide the real-time and cloud-based protection that is available with Windows Security. Download Safety Scanner
Virus & threat protection in Windows Security - Microsoft Support
Virus & threat protection in Windows Security helps you scan for threats on your device. You can also run different types of scans, see the results of your previous virus and threat scans, and get the latest protection offered by Microsoft Defender Antivirus. Under Current threats you can:
Applies To:
Microsoft account dashboard
Getting started with anti-malware in Microsoft Defender
Microsoft Defender has powerful built-in features that can help protect your device against malware. Note: Microsoft Defender currently offers anti-malware only on Windows, Mac, and Android. When you first set-up Microsoft Defender on your device we'll run an initial scan to make sure you're starting off clean.
Applies To:
Microsoft Defender on Android, Microsoft Defender on Mac, Microsoft Defender on Windows
Remove specific prevalent malware with Windows Malicious Software ...
MSRT helps remove specific prevalent malware from Windows computers. It is different from Microsoft Safety Scanner, which is a standalone tool for comprehensive malware detection and removal.