Disable Windows Defender Manually

1. Select Start and type "Windows Security"

2. Select the Windows Security app from the search results, go to Virus & threat protection under Virus & threat protection settings select Manage settings

3. Switch Real-time protection to Off

Disable Windows Defender with dControl

1. Download dControl above

2. Unzip the files

3. Run dControl.exe

4. Disable Windows Defender