While Microsoft Windows Defender may be a great tool to a large extent, it is not everyone’s preferred antivirus. It has some drawbacks that cause people to choose other antivirus software and hence seek to disable Microsoft's default operating system protector. If you do not want to use Windows 11 Defender for any reason, follow this guide to learn how to disable Windows 11 defender permanently using various possible ways.

Switching off Windows 11 Defender may not be the solution you seek as it may continue to run in the background or switch back on after some time. However, disabling it permanently will do the trick. Here are some of the ways to turn off Windows 11 Defender Permanently.

Method 1: use Group Policy Editor

You can disable Windows 11 Defender Permanently in the Local Group Policy Editor in four steps as follows:

Step 1: Disable Tamper Protection

Tamper Protection is a tool that prevents anyone from tampering with important security features. Therefore, you need to disable it first to disable Windows 11 Defender. To do this:

  • Open the Windows settings app by pressing the windows button + I.
  • Select the Privacy and Security option on the left pane of the settings page.

Disable Windows 11 Defender Permanently

  • Click the Windows Security tab at the top of the options in the right pane.

Disable Windows 11 Defender Permanently

  • Next, select the Virus & Protection option under the Protection areas section.

Disable Windows 11 Defender Permanently

  • On the Windows security page, scroll down and select the Manage settings option under the Virus & threat protection settings section.

Disable Windows 11 Defender Permanently

  • Next, scroll down to the Tamper Protection option. Click on the toggle under it to turn it off.

Disable Windows 11 Defender Permanently

  • Click Yes in the User Account Control to let the app make changes to your device.
  • Close the window and proceed to the next step.

Step 2: Configure the Windows Group Policy Editor

  • Click the Windows search button from the taskbar or press the Windows button + S simultaneously to open the Windows search utility.
  • Type Edit Group Policy in the search field and click on the Edit Group Policy icon on the search results page.

Disable Windows 11 Defender Permanently

  • When the Local Group Policy Editor opens, select Administrative Templates under the Computer Configuration section on the left pane.

Disable Windows 11 Defender Permanently

  • Next, select Windows components on the right pane.

Disable Windows 11 Defender Permanently

  • Navigate to the Microsoft Defender Antivirus from the settings options on the right pane and select it.

Disable Windows 11 Defender Permanently

  • Next, Navigate to the Turn off Microsoft Defender Antivirus option, but do not click it yet.

Disable Windows 11 Defender Permanently

  • Right-click this setting and select Edit from the context menu.

Disable Windows 11 Defender Permanently

  • A window for turning off Windows Defender Antivirus will pop up, select the Enabled option at the top left, click Apply, then OK at the bottom right of the window.

Disable Windows 11 Defender Permanently

  • Now back in the Group Policy Editor, locate the allow Anti-Malware service to remain always running option.

Disable Windows 11 Defender Permanently

  • Right-click this option and select Edit.

Disable Windows 11 Defender Permanently

  • A new window will pop up. Select the Disabled option at the top left, then click Apply and OK at the bottom right.

Disable Windows 11 Defender Permanently

  • Again, locate the Real-time Protection folder in the Group Policy Editor Window and double-click it.

Disable Windows 11 Defender Permanently

  • Navigate to the Turn off real-time protection, right-click it and select Edit.

Disable Windows 11 Defender Permanently

  • Select Enabled from the pop-up window, before clicking Apply, then OK.

Step 3: Set Up a Task Scheduler

The next step is to set up a task scheduler as follows:

  • Press the windows button + S to open the Windows search utility.
  • Type Task Scheduler in the search field and click the appropriate icon on the search results page.

Disable Windows 11 Defender Permanently

  • Click the arrow next to the Task Scheduler Library folder to expand the options.

Disable Windows 11 Defender Permanently

  • Next, expand the Microsoft folder.

Disable Windows 11 Defender Permanently

  • Now, expand the Windows folder.

Disable Windows 11 Defender Permanently

  • Scroll down the left pane till you locate the Windows Defender folder and click it to open its properties on the right pane.

Disable Windows 11 Defender Permanently

  • There are four tasks in the top section of the middle pane, Windows Defender Cache Maintenance, Windows Defender Cleanup, Windows Defender Scheduled Scan, and Windows Defender Verification.

Disable Windows 11 Defender Permanently

  • Right-click the Windows Defender Cache Maintenance option and select Disable.

Disable Windows 11 Defender Permanently

  • Disable the other three tasks in the same way. Right-clicking on each and selecting Disable.

Step 4: Update Computer and User Policies

To update the computer and user policies:

  • Press the windows button + R simultaneously to open the Run utility program.
  • Type cmd in the text field.

Disable Windows 11 Defender Permanently

  • Press Ctrl + Shift + Enter to open the command prompt with administrative rights.
  • Type the command gpupdate/force in the command line and press Enter.

Disable Windows 11 Defender Permanently

  • Close the Command prompts and that is all.

Method 2: Use Autoruns for Windows

Step 1: Download Autoruns

  • Click here to download the latest version of Autoruns for Windows.
  • Click the Download link on the page and wait for the download to complete.

Disable Windows 11 Defender Permanently

  • Open the file location after the download is complete, right-click on the folder, and select Extract All.

Disable Windows 11 Defender Permanently

Step 2: Disable Windows Protection

  • Press the Windows button + I to open the Windows settings.
  • Select Privacy and Security on the left pane.

Disable Windows 11 Defender Permanently

  • Select Windows Security on the right pane of the settings page.

Disable Windows 11 Defender Permanently

  • Select Virus & threat protection on the right pane.

Disable Windows 11 Defender Permanently

  • Click manage settings under the Virus & threat protection section. 

Disable Windows 11 Defender Permanently

  • Click the toggles under the Real-time Protection and Tamper Protection sections, respectively to deactivate them.

Disable Windows 11 Defender Permanently

Step 3: Boot the Computer in Safe Mode

  • Press the Windows button + S simultaneously to open the Windows search option.
  • Type system configuration in the search field and click on the icon on the search results page.

Disable Windows 11 Defender Permanently

  • Click the Boot tab in the system configuration window.

Disable Windows 11 Defender Permanently

  • Next, click the safe boot checkbox and the Minimal radio button under the Boot options section.

Disable Windows 11 Defender Permanently

  • Click Apply, then OK before restarting the PC.

Step 4: Disable Windows Defender

  • Open the extracted folder after the system restarts in Safe mode.
  • Click the Autoruns64.ex file, then Run to start it.

Disable Windows 11 Defender Permanently

  • Select Agree on the Autoruns License Agreement page.

Disable Windows 11 Defender Permanently

  • Click the Services tab on the Autoruns window.

Disable Windows 11 Defender Permanently

  • Click on Options at the top of the page and uncheck the Hide Windows Entries box.

Disable Windows 11 Defender PermanentlyDisable Windows 11 Defender Permanently

  • Next, Navigate through the Autoruns entry and uncheck the WinDefend box.

Note: You may not see the WinDefend among the options option if you don't boot the PC in Safe mode.

Step 5: Boot the Computer in Normal Mode

  •  Press the Windows button + S simultaneously to open the Windows search option.
  • Type system configuration in the search field and click on the icon on the search results page.
  • Click the Boot tab in the system configuration window.
  • Select Normal startup.
  • Click Apply, OK, and restart the computer.

That's it.

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