Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.

Defender will continue to provide security even for unsupported Windows 10 PCs. But Microsoft still wants you to move to Windows 11.

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

To use Windows Defender ATP (Advanced Threat Protection), onboard your devices to the platform using Configuration Manager, Microsoft Intune, or manual installation. Access the Microsoft Defender ...