Whatever the reason, you can disable Microsoft Defender Antivirus on your Windows 11 PC using any of the following methods. However, before you do that, you need to disable Tamper Protection first.

Microsoft’s in-house security app, the Microsoft Defender is available for download on Windows 11/10 computers. They first got things underway by releasing a preview version of this app, which ...

To disable the Microsoft Defender Antivirus temporarily on Windows 11, use these steps: Open Start . Search for Windows Security and click the top result to open the app.

You can manage settings and control virtually any aspect of the Microsoft Defender Antivirus using PowerShell commands, and in this guide, I'll help you get started.

1. Use Microsoft Defender’s update facility. Within the Settings app, you can access a Windows Security facility with this selection sequence: Start > Settings > Update & Security > Windows ...

Here are the basics: Microsoft Defender is the virus protection integrated into Windows by default. If no other antivirus program is installed and activated, Defender protects you against viruses.

One way to disable Microsoft Defender is to use the Group Policy Editor, which is only available on Windows 11 Pro editions of higher. If you have Windows 11 Home, you can't follow these steps.