1. Open Start Menu 2. Click Settings 3. Click Update & Security 4. Click Windows Defender . This tab is in the left pane. 5. Click Open Windows Defender Security Center 6. Click Virus & threat protection 7. Click Virus & threat protection settings 8. Disable Windows Defender's real-time protection, Automatic Sample Submission and Cloud-Based Protection. 9. Click Yes when prompted. 10. Click Yes when prompted. 11. Click Yes when prompted. 12. You Have Disabled your Windows Defender real-time Protection feature.