Learn how to open and configure Windows Defender settings in Windows 11 to protect your PC from viruses and online threats.

To permanently remove Windows Security, use Local Group Policy Editor, Windows Registry tweaks, or the Windows Defender Remover tool. Be cautious— removal can leave your PC vulnerable. Always back up ...

Microsoft plans to remove Defender Application Guard from Office by December 2027, starting with the February 2026 release of ...

If you can't change the Microsoft Defender Antivirus settings through Group Policy, Command Prompt, or PowerShell, it's because Tamper Protection is enabled – here's how to fix this issue. When you ...