Scan an item with Windows Security - Microsoft Support You'll be notified immediately if any threats are found To scan specific files or folders, right-click a file or folder, select Show more options, and then select Scan with Microsoft Defender When the scan is complete, you'll see the Scan options page letting you know the results of the scan
Getting started with anti-malware in Microsoft Defender Microsoft Defender's real-time anti-malware protection runs whenever your device is on, keeping an eye out for malicious activity Microsoft Defender will also run quick scans of your device on a daily basis, in case anything manages to elude the real-time protection
Stay Protected With the Windows Security App - Microsoft Support Microsoft Defender Antivirus continuously scans your device for potential threats and takes immediate action to neutralize them This proactive approach helps to prevent malware infections and keeps your device running smoothly
Protect your PC from ransomware - Microsoft Support For example, if you hear about new malware in the news or you notice odd behavior on your PC See Virus threat protection in Windows Security for how to scan your device
Remove malware from your PC in Windows 8. 1 or Windows 7 Windows Defender and Microsoft Security Essentials are powerful scanning tools that find and remove malware from your PC Here's how to use Windows Defender in Windows 8 1 or Microsoft Security Essentials in Windows 7 to scan your PC