On the main pane, double-click the option labeled Turn off Microsoft Defender Antivirus. Check the Enable checkbox near the top left corner, and click Apply , then OK .

To force shut off Real-time protection on Windows 11, you need to use the Local Group Policy Editor. Open it and navigate to Real-time protection in Computer Configuration .

The steps will depend on whether you have Windows 11 or Windows 11 Pro. For Pro users, Group Policy Editor offers the easiest way to disable Copilot. ... Double-click on "Turn off Windows Copilot".

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Learn how to disable Windows 11 Copilot through the Registry File and Group Policy Editor with this step-by-step tutorial.