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

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.

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

Windows Security, formerly known as Windows Defender Security Center, is an app built into Windows 10 or 11 that helps keep your PC more secure. It includes Microsoft Defender …

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

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

Keeping Microsoft Defender Antivirus up to date is critical to assure your devices are protected against new malware and attack techniques. Update your antivirus protection, even if …

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 Defender can help protect your entire family's Windows, Android, and Mac devices from malicious apps and other malware.