Disable windows defender/anti-tamper

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How to disable and re-enable Windows Defender on Windows 10 using Windows Security

  1. Open Start > Windows Security
  2. Click on Virus and Threat Protection
  3. Under Virus and Threat Protection Settings, click on Manage Settings
  4. Real-Time Protection is the option you’re looking for, toggle that off.
  5. To re-enable it, repeat steps 1 – 4 again but toggle it on at the end.

How to permanently disable Windows 10’s Defender using the registry

  1. Open the Registry Editor by searching regedit in the Search Bar.
  2. Copy and paste the following into the new address bar (if you’re on an older device, simply navigate to it manually): HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
  3. Right-click on the Windows Defender folder icon and select New > DWORD
  4. Name that key DisableAntiSpyware and save it
  5. Double click the DWORD to open up a pop-up and change the DWORD value from 0 (disabled) to 1 (enabled)
  6. Save your changes and restart your PC to apply them. To revert, simply repeat the steps but change the DWORD value back to 0.