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How to enable Microsoft Defender On Windows 10 or 11

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 logoÌýmceclip0.pngÌýin the bottom left corner of the screen.ÌýThe Start menu will pop up.
2. Scroll down and clickÌýWindows SecurityÌýto open the application.

Defender1.jpg

3. On the Windows Security screen, check if any antivirus program has been installed and running in your computer.
Defender2.jpg 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.
ÌýDefender3.jpg 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

Defender4.jpg

5. Next, selectÌýVirus & threat protectionÌýicon

Defender5.jpg

6. Turn on forÌýReal-time protection

Defender6.jpg

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