Microsoft Defender is a component of Windows 10 and 11 that provides comprehensive, built-in and ongoing security protections. It features an anti-virus, anti-malware, firewall and more, to keep your personal computer safe.
Learn more about from the vendor’s website.
NOTE: Microsoft Defender cannot be enabled when another anti-virus is installed, e.g.: Trend Micro Antivirus
To enable Windows Defender
1. Click the windows logoÌý Ìýin the bottom left corner of the screen.ÌýThe Start menu will pop up. |
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| 2. Scroll down and clickÌýWindows SecurityÌýto open the application.
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| 3. On the Windows Security screen, check if any antivirus program has been installed and running in your computer. | |
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Green tick: An antivirus program is present and running in your computer. Enabling of Windows Defender is not necessary as your computer is protected by Windows Defender. |
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No tick: No antivirus present and Windows Defender is not enabled in your computer. Please proceed toÌýnext stepÌýto enable Windows Defender, to keep your personal computer safe. |
| 4. Click onÌýVirus & threat protectionÌýas shown
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| 5. Next, selectÌýVirus & threat protectionÌýicon
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| 6. Turn on forÌýReal-time protection
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Ìýin the bottom left corner of the screen.ÌýThe Start menu will pop up.




