Windows Defender service protects your computer from viruses, worms and harmful system file changes. It comes pre-installed with recent Windows versions. However, if you are confident with your computer’s security or you have another virus protection, you can disable this service to free up some extra system resources. Simply, follow the steps below to disable Windows Defender using Local Group Policy.

Disabling Windows Defender Using Local Group Policy

  1. Press Windows + R keys together to pop-up Run window.
  2. Enter gpedit.msc command to run Local Group Policy Editor.
  3. Browse and expand Computer Configuration > Administrative Templates > Windows Components > Windows Defender.
  4. Double click Turn Off Windows Defender setting on the right hand panel.
  5. Select Enabled option, click Apply and OK to close window.
  6. Windows Defender will be disabled on your next restart.

Please note; Your user account must have administrative privileges to disable Windows Defender. Otherwise you may not be able to use Administrative Templates on Group Policy editor.