Permanently Disable Windows Defender using CMD

1. To Disable Windows Defender using Command 

Open CMD as Administrator and run the below command to disable Windows Defender Permanently

REG ADD "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /v DisableAntiSpyware /t REG_DWORD /d 1 /f

The next time you try to load Windows Defender, you’ll see the following error message saying it’s been turned off.

2. To Enable Windows Defender using Command 

Run this Command in CMD to Enable Windows Defender Again

Reg add "HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender" /v DisableAntiSpyware /t REG_DWORD /d 0 /f

Note : You must be an Administrator to run this command

Also Read :

How to permanently disable Windows Defender using Registry Manually

Disable Windows Defender Using Registry-File At One Click