Select Microsoft Defender Antivirus in the list and click the Turn on button.

A list of installed antivirus or antispyware programs is displayed.

Click the View installed antivirus apps or View installed antispyware apps option.

In the Security and Maintenance window, click the Security option to expand that section.

Tip: Stay up-to-date and install the latest. To learn more about anti-malware see Getting started with anti-malware in Microsoft Defender.

If a link is not available in the pop-up message, you need to open the Control Panel and access the Security and Maintenance option. On Windows, Mac, and Android Microsoft Defender can check files or apps you download and install, as well as run scans of files already on your system to spot any malware that may threaten your device.

Microsoft Defender Antivirus is now enabled. If available, click the click here to turn it on link in that pop-up message. It’s time to find out if Windows Defender’s free protection is enough to protect you from the latest malware.

You should see a pop-up message stating the program is turned off.

i was using it for a whole year as intended and today Windows Defender gave me malware notification. dont judge my mistakes please, im a newbie).

On the Options screen, in the left navigation pane, click Administrator. hi almost one year ago i downloaded a VST plugin - 'Antares Auto-Tune' from some sketchy resource (i thought this plugin was free, obviously.

On the Tools and Settings screen, click Options.

Click the Tools option in the top menu.

Microsoft Defender Antivirus is enabled by default, so there is no need to manually enable it unless it was previously disabled. How do I enable or disable Microsoft Defender Antivirus? If you have another antivirus program installed on your computer, like AVG, McAfee, or Webroot, Microsoft Defender Antivirus is disabled to prevent conflicts with the antivirus program.

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