Microsoft Defender - Free download and install on Windows
On your PC, Microsoft Defender works with built-in Windows Security to provide additional device antivirus protection on your Android, iOS, and MacOS devices. Keep your identity and credit safer …
Installing Microsoft Defender
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 for Individuals | Microsoft 365
Use Microsoft Defender for individuals as your personal defense against online threats and easily manage your family’s online security.
Microsoft Security Free Trial | Microsoft Security
Start your free trial of Microsoft Defender, Entra, Purview, and other top cloud security solutions. Protect your data with trusted Microsoft tools.
Protect my PC from viruses - Microsoft Support
Microsoft Defender is free anti-malware software included with Windows, and it's kept updated automatically through Windows Update. There are also anti-malware products made by other …
How can I get the Defender app without having to pay a subscription …
Feb 5, 2024 · Microsoft Defender is a free antivirus software that comes pre-installed with Windows 10. However, Microsoft has recently introduced a paid version of the software called Microsoft Defender …
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.
how to install windows defender - Microsoft Q&A
Jun 17, 2025 · Microsoft Defender Antivirus in the Windows Security app - Microsoft Defender for Endpoint With Microsoft Defender Antivirus now included in the Windows Security app, you can …
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 Antivirus in Windows Overview
Oct 20, 2025 · Learn how to manage, configure, and use Microsoft Defender Antivirus, built-in antimalware and antivirus protection.