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 …

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

Jul 30, 2025 · Microsoft Defender is a security app designed to help users stay safe online with web protection and malware protection. In addition to the Windows operating system, the Defender app is …

Jan 6, 2026 · Indeed, Microsoft has announced it will continue to update Microsoft Defender Antivirus on Windows 10 through October 2028. Below the suggested updates, the app suggests that you enroll …

Jan 9, 2026 · On personal versions of the OS, such as Windows 11 Home, installing a third-party antivirus solution as your PC's primary defense will automatically disable Microsoft Defender Antivirus.

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.

4 days ago · Learn how Norton compares to Microsoft Defender based on antivirus test scores, user reviews, and more.

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 Microsoft 365 …

Jan 7, 2026 · What is Microsoft Defender Microsoft Defender is a family of security products that protect against malware and other cyber threats across devices, identities, email, apps, and cloud …