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 …

May 14, 2025 · Microsoft Defender Antivirus, built into Windows 10 and 11, takes on malware defense for any PC that doesn’t have a third-party antivirus app installed. When you install a …

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.

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

Microsoft Defender Antivirus (formerly Windows Defender) is an antivirus software component for Microsoft Windows and mobile. It was first released as a downloadable free anti-spyware …

Jul 30, 2025 · This guide shows you how to download and install the Microsoft Defender app on a Windows 11 PC. What is the Microsoft Defender app? Microsoft Defender is a security app …

Microsoft Defender is a security app that helps people and families stay safer online with malware protection, web protection, real-time security notifications, and security tips.

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.