How To Activate Microsoft Defender Antivirus

Microsoft Defender is an anti-malware solution that helps you protect your computer against viruses, malware, spyware, etc. This antivirus is a built-in tool in all Windows computers, so you don’t need to download it from any source. If you want to use any other antivirus software on your computer, you can disable the Microsoft Defender feature. But, if you’re going to uninstall the third-party antivirus software and want to use the Microsoft Defender feature on your computer, you have to reactivate it. To do so, follow the instructions given in this article.

TURN ON MICROSOFT DEFENDER USING GROUP POLICY

Click the Start button on your computer’s main screen.
Type gpedit.msc into the search bar and select the Local Group Policy Editor option from the search results.
Now, the Local Group Policy Editor window will appear on the screen.
Below the Computer Configuration section, expand the Administrative Templates folder in the left menu panel of the window.
Navigate to the Windows Components folder and expand it.
Here, search for the Microsoft Defender antivirus folder in the left menu panel of the window and select it.
Double-click the Turn off Microsoft Defender antivirus option in the right menu pane of the window.

Now, you will see the Turn off Microsoft Defender antivirus dialog box on the screen.
Select the Disabled option on the top-left side of the window.
Click Apply> OK.
Now, the Microsoft Defender antivirus is enabled on your computer.

ENABLE MICROSOFT DEFENDER IN WINDOWS 10

Select the Start menu on the main screen of your Windows 10 computer.
Choose the Settings icon at the bottom left side of the window.
Click the Update & Security option from the list.
In the next window, click on the Windows Security option in the left menu panel.
Select the Virus & threat protection option and choose the Manage settings option below the Virus & threat protection section.
Slide the toggle button below the Real-time protection section to enable the Microsoft Defender antivirus on your Windows 10 computer.

ENABLE MICROSOFT DEFENDER IN WINDOWS 8

Click the Start menu on your computer’s main screen.

Type Control Panel into the search bar at the bottom of the window.

Select the Control Panel option from the search results.

In the next window, choose the System and Security option and select the Action Center option.

Under the Security section, click the Turn on now button next to the “Spyware and unwanted software protection (Important)” and “Virus protection (Important)” options.

Now, the Microsoft Defender antivirus is enabled on your Windows 8 computer.

ENABLE MICROSOFT DEFENDER IN WINDOWS 7

Select the Start menu on your computer’s main screen.

Type Control Panel into the search bar at the bottom of the window.

Choose the Control Panel option from the search results.

In the next window, click on the Category drop-down icon and choose the Large icons option.

Here, click on the Windows Defender option.

Now, you will see a popup message saying, “This program is turned off.”

Select the “click here to turn it on” link inside the popup window.

The Microsoft Defender antivirus is enabled on your Windows 7 computer.

You can activate the Microsoft Defender antivirus on your Windows computer by following the above instructions.

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HOW TO ACTIVATEMICROSOFT DEFENDER ANTIVIRUS

TURN ON MICROSOFT DEFENDER USING GROUP POLICY

ENABLE MICROSOFT DEFENDER IN WINDOWS 10

ENABLE MICROSOFT DEFENDER IN WINDOWS 8

ENABLE MICROSOFT DEFENDER IN WINDOWS 7

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