Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.

May 5, 2025 · This article provides a comprehensive, step-by-step exploration of how to turn on Microsoft Defender in Windows 11, cross-examines its strengths and limitations, and …

If you suspect that your device may have malware you should have Microsoft Defender run a scan. Here's how to do that on Windows, Mac, or Android.

Oct 20, 2025 · Learn how to manage, configure, and use Microsoft Defender Antivirus, built-in antimalware and antivirus protection.

1 day ago · Activating Windows Defender on Windows 11 systems You receive a notification that your computer might be vulnerable to threats, or you notice unfamiliar system behavior that …

Protect your privacy, identity, and devices with Windows Security. Explore Windows 11 security features like Microsoft Defender Antivirus that help keep you and your PC safe.

Windows Security, formerly known as Windows Defender Security Center, is an app built into Windows 10 or 11 that helps keep your PC more secure. It includes Microsoft Defender …

Microsoft Defender is a security app for individuals and families that helps protect identities, data, and devices from online threats. The Microsoft Defender app is available exclusively with a …

Use Microsoft Defender for individuals as your personal defense against online threats and easily manage your family’s online security.

Apr 9, 2025 · With Microsoft Defender Antivirus now included in the Windows Security app, you can review, compare, and perform common tasks.