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

Explore Microsoft Defender, powerful cybersecurity software and solutions for individuals and businesses, backed by advanced Microsoft threat 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 program …

May 5, 2025 · Activating Microsoft Defender is both intuitive and user-friendly, a purposeful design decision from Microsoft to encourage universally accessible PC security. Here is a detailed, …

May 12, 2025 · Microsoft causes confusion with its names. This is also the case with Defender device protection. The guide breaks down the differences between Windows Defender, the Defender app …

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

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.

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.

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.