How to disable windows defender on Windows 11?

Windows 11/10 Home editions don't provide Group Policy Editor by default, limiting your options. However, Registry Editor still works.

You might see a message like "Your virus & threat protection is managed by your organization". This happens if

Your PC is joined to a domain or an admin or third-party security software has locked Defender settings

For this case, you can use this trick to disable or turn off Windows Defender antivirus:

Step 1: Open Registry Editor

Step 2: Check for settings under:

HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender

Step 3: Delete any values like DisableAntiSpyware or AllowAntiSpyware.

This will let you disable Windows Defender service on any Windows 11 or Windows 10 devices.