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

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.

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 Antivirus, an antivirus …

Learn how to use virus and threat protection options in Windows Security to scan your device for threats and view the results.

Feb 4, 2021 · This package includes monthly updates and fixes to the Microsoft Defender antimalware platform and engine that is used by Microsoft Defender Antivirus in Windows 11.

It includes features such as Microsoft Defender Antivirus, Windows Firewall, and Smart App Control, which work together to provide real-time protection against viruses, malware, and other security threats.

Windows 安全中心应用的“病毒和威胁防护”页面旨在帮助你保护设备免受各种威胁（如病毒、恶意软件和勒索软件）的侵害。

Microsoft Defender es una nueva aplicación de seguridad que te ayuda a protegerte a ti y a tu familia en todos tus dispositivos; Windows, Android, Mac e iOS.

安裝 Microsoft Defender，保護您的Android、iPhone、Mac和 Windows 裝置免於受到威脅。 在您的裝置上下載 Microsoft Defender，方法如下：

To scan specific files or folders, right-click a file or folder, select Show more options, and then select Scan with Microsoft Defender. When the scan is complete, you'll see the Scan options page letting …