Installing Microsoft Defender - Microsoft Support
Microsoft Defender is a new security app that helps protect you and your family across all your devices; Windows, Android, Mac, and iOS.
Getting started with Microsoft Defender
Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.
Microsoft Defender—Cybersecurity Solutions | Microsoft Security
Explore Microsoft Defender, powerful cybersecurity software and solutions for individuals and businesses, backed by advanced Microsoft threat protection.
Microsoft Defender Antivirus in Windows Overview
Oct 20, 2025 · Learn how to manage, configure, and use Microsoft Defender Antivirus, built-in antimalware and antivirus protection.
Microsoft Defender products and services
Explore the Microsoft Defender products and services available for your business or organization.
Windows Security: Defender Antivirus, SmartScreen, and More
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 App Overview - Microsoft Support
With features like Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, you can easily access and configure robust security settings. Built into Windows, this app ensures …
Microsoft Defender for Endpoint
Microsoft Defender for Endpoint is a cloud-native endpoint security platform that provides visibility, cyberthreat protection, and EDR capabilities to stop cyberattacks across Windows, macOS, …
Stay Protected With the Windows Security App - Microsoft Support
One of the key benefits of the Windows Security app is its ability to provide real-time protection. Microsoft Defender Antivirus continuously scans your device for potential threats and takes …
Microsoft Defender for Individuals | Microsoft 365
Use Microsoft Defender for individuals as your personal defense against online threats and easily manage your family’s online security.