Activate Window Defender (Windows 10)

How to activate Windows Defender


If Windows Defender is not turned on, please follow these steps to enable it:

  1. From the Task Bar, click on the search button.
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  2. Type windows defender and select the app.
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  3. Click on the button Open Windows Defender Security Center.
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  4. To enable it on, click on the Turn on button.
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  5. If you have a message from User Account Control (UAC), click on the Yes to allow it.
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Not sure if Windows Defender is enabled?


  1. To know if Windows Defender is active, click on the Virus & threat protection menu.
    Then, click on Virus & threat protection settings.
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  2. Windows Defender is enabled.
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Eduardo has written 49 articles

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