Custom Scan: If you choose this option, Windows Security will ask you for a specific file or folder location that you’d like to scan. The scan may take longer than an hour to complete. Full Scan: This scans every file on your computer and all running programs as well.

This usually only takes a few minutes to complete. Quick Scan: Scans folders in your system where threats are usually found, such as the Downloads and Windows folders. In the Scan Options menu, you will see a list of four different types of scans you can perform on your computer using Microsoft Defender. In the area below the Current Threats heading, click Scan Options.

Note: It’s possible to do a quick scan from here by clicking the Quick Scan button, but if you haven’t scanned recently, consider doing a deeper scan.ĥ. In the sidebar, click “Virus & Threat Protection.” Open Start and type Windows Security on Windows 10Ĥ. Click on the “Windows Security” app icon that pops up.ģ.

Windows key) and type “Windows Security.”Ģ. It scans for malware in the background, but you can also perform a full-system scan.ġ. Microsoft Windows 10 has a preloaded antivirus software named Microsoft Defender.

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