Disable/Enable Windows Defender Permanently in Windows 10

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How to permanently disable Windows Defender on Windows 10

As you all Know Windows Defender is the Best Anti Spyware program that Microsoft includes on every installation of Windows 10.
In some cases we need to disable Windows Defender for Some Reason

Something like if we are performing  Penetration Testing with Exploits or Trojans ..
Windows Defender Detects it and Remove it From the System OR
If you prefer to use a third party anti malware app than you might want to disable Windows Defender

Windows 10 offers an option to disable Windows Defender, but it's a temporary 

You can access it by going to “Settings, Update & Security,” then Windows Defender.

Defender will only stay inactive for a short period of time. When it detects that it’s been off for too long, it will automatically turn itself back ON again.

In this post we'll walk you through the steps to permanently disable Windows Defender using the Registry.

Step 1 :

Using the Registry 

First, open the Run command by pressing the “Windows Key + R.” In the box that appears type regedit and click OK.

Step 2 :

The system registry will open up. On the left navigate to the following folder :

HKEY_LOCAL_MACHINE > SOFTWARE > Policies > Microsoft > Windows Defender

You may see a folder after Windows Defender keep the Windows Defender one highlighted like the following image.

Step 3 :

On the right side of the window you might see a file called “DisableAntiSpyware.”

If you see the preference DisableAntiSpyware on the right double-click on it and set it to 1 to disable Windows Defender.

Step 4 :

If the preference does not exist, then we have to make our own. 

To do this, right-click in the empty space on the right side of the window, go to “New,” then “DWORD (32-bit) Value.”

Step 5 :

Windows will create an untitled DWORD file. Rename the file to “DisableAntiSpyware.” Make sure you enter the name perfectly!

Step 6 :

Right-click the “DisableAntiSpyware” file and click “Modify…”

and set it to 1 to disable Windows Defender.

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

To Re-enable Defender

To restore Windows Defender at a later point in time, delete the key or set its value to 0.