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 contextualizes …

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 …

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

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 …

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.

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.

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.

Dec 10, 2024 · This post shares how to turn off real-time protection in Windows 11 Security temporarily, and how to disable Microsoft Defender Antivirus permanently.

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