Complete Guide On How To Scan Your PC Using Microsoft Defender 2021 Method | Windows 10

Welcome Reader. As we all know viruses and malware attacking our system is still a big problem. That’s why the Microsoft company embedded an antivirus named Microsoft Defender with into their version of Windows 10 OS. This particular antivirus works and hunts for malware via a background service but you can also perform a full-system scan with Microsoft Defender Antivirus.

How To Scan Your PC Using Microsoft Defender | Windows 10


On this particular tutorial or guide, i will be showing us how to scan our PC using the Microsoft Windows Defender Antivirus.

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First, open the Start menu and type in “Windows Security” in the search bar and Click on the “Windows Security” app icon that pops up.

How To Scan Your PC Using Microsoft Defender | Windows 10


In the sidebar you should click on the “Virus & Threat Protection" option


How To Scan Your PC Using Microsoft Defender | Windows 10


If you're in a haste, you could perform a quick scan of your PC by clicking on the "Quick Scan" option but i would advise that if you haven't scanned your PC for a long time, you should consider performing a deep scan on your PC  which searches your entire system sectors for malware(s) and viruses.

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Now to perform a Full or Deep Scan, follow these steps.
  •  In the area below the "Current Threats" option, click on the "Scan Options" and it should display four (4) different scan options which you can carry out on your computer system using the Windows Defender Antivirus.
Explanation Of the Four Different Scans


  • Quick Scan: Performs a quick scans of folders in your system where threats are mostly found. Locations such as the Downloads and Windows folders are looked into rather hastily. This usually takes only but a few minutes to complete.
  • Full Scan: This particular scan types looks into every file on your computer system and all running and installed programs as well. The scan usually take more than an hour to complete because of the amount of files and programs to be scanned and analyzed.
  • Custom Scan: This option allows you choose a specific file or folder location that you’d like to scan.
  • Microsoft Defender Offline Scan: This option restarts your machine or pc and scans system files and programs while they are not yet running, This particular scan is useful if a piece of malware or virus is currently running actively and is potentially interfering with the Defender's scan.

TIP: I strongly advise that if you haven't scanned your PC using Windows Defender before, i think it’s best you start with a Full scan. Just click on the “Full Scan” option and click the “Scan Now” button and A full-system scan will begin, and Windows Security will show a progress indicator bar just like in the image below. i think now you're on your way to making your PC malware and threat free.

How To Scan Your PC Using Microsoft Defender | Windows 10

When the full scan or any  scan is complete, you show see the results box. If your PC is fine and free from threats, you’ll see a message that says “No Current Threats"  but if during the scan a threat was found, you should see a message that says "Threat Found" and below it should be the list of the infected files or items.


If threats or malware were found during the scan,  you should see a screen just like the one below

How To Scan Your PC Using Microsoft Defender | Windows 10


To remove the threats, click the “Start Actions” button and the Defender should commence the removal of these threats automatically and if you would like to know more about these threats that  were removed, just click on the "Protection History".

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If you followed this step carefully, i think your PC should be safe from Malware and threats. Feel free to ask your questions if there are any. Good luck and Stay Safe.

Bright Mac

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