3 Ways To Disable Windows Defender in Windows 10 PC 2021

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3 Ways To Disable Windows Defender in Windows 10 PC 2021 – If you plan to install a third-party antivirus, such as Norton, AVG, or Kaspersky, you may have to disable Windows Defender first. Otherwise, Windows 10 may not be able to install updates, or your virus program may not function properly. Or maybe Windows Defender is preventing you from doing a certain task.

How to Disable Windows Defender in Windows 10
How to Disable Windows Defender in Windows 10

How to Disable Windows Defender in Windows 10 Laptop PC

What is Windows Defender?

Windows Defender is a preinstalled software that comes with every laptop or computer running Windows 10. It is an anti-malware program that can protect you from viruses, ransomware, and spyware. However, this program is known to cause problems for users, especially if they have another antivirus installed.

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How to Disable Windows Defender in Windows 10

1. How to temporarily disable Windows Defender

This method allows you to temporarily disable Windows Defender. If the system is at risk, the program will restart itself so that it can do its job.

  1. Open the Windows Start MenuThis is the Windows logo in the lower-left corner of your screen.
  2. Open the settings menu. This is the gear icon just above the power button.
    How to temporarily disable Windows Defender
  3. Click Update & Security. 
    How to temporarily disable Windows Defender
  4. In the sidebar, click “Windows Security”. 
  5. Click “Virus & threat protection” from the right window.
    How to temporarily disable Windows Defender
  6. In the new window, click “Manage settings”. You will see this under “Virus & threat protection”.
    How to temporarily disable Windows Defender
  7. Disable the toggle under “Real-time protection”.
How to temporarily disable Windows Defender

2. How to Permanently Disable Windows Defender

A more permanent solution involves editing the computer registry. Follow the steps below:

Warning: Be careful when editing the registry. Make sure to back up your data if your system has irreparable damage. 

  1. Click Windows key + R.This will open the Run Command Box.
  2. Type “Regedit” in the search bar and click OK.
    How to Permanently Disable Windows Defender
  3. Click “OK” when a pop-up window asks if you want to allow the application to make changes to the device.
  4. In the top window search bar, paste the following:
    HKEY_LOCAL_MACHINE \ SOFTWARE \ Policies \ Microsoft \ Windows Defender
  5. Press enter on the keyboard.
  6. Right-click on the Windows Defender folder in the sidebar.
  7. Select “New” from the drop-down menu.
  8. Select “DWORD (32-bit) Value” from the given options. A file will appear in the right window.
    How to Permanently Disable Windows Defender
  9. Right-click the file “New Value # 1” and select “Rename”.
    How to Permanently Disable Windows Defender
  10. Change the name to “DisableAntiSpyware”.
  11. Double-click the DisableAntiSpyware DWORD file. 
  12. Change the value data in the pop-up window from 0 to 1. 
    How to Permanently Disable Windows Defender
  13. Click OK. 
  14. Restart your computer. The changes will not be successful until you restart the computer.

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Conclusion:

If you want to enable Windows Defender in the future, you can repeat the previous step, but set the DisableAntiSpyware value data to 0. If you don’t see this file, you can create a new one and set the new file’s value data to 0. After you turn off Windows Defender, make sure to install new anti-malware software immediately.

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I'm Akshara Singh, from Tamil Nadu (India) I have been Running this Blog since 2016 with my full effort to Help users in the Tech field and clear doubt, and provide advanced guides in simple methods.

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