This article has guidance for: Organizations with IT-managed Windows devices and updates.

Completing Login...

Get security info and tips about threat prevention, detection, and troubleshooting. Including tech support scams, phishing, and malware.

Microsoft Support

Xbox Support ... Xbox Support

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

The App & Browser Control page in the Windows Security app provides essential security settings that protect your Windows device from unsafe apps, files, websites, and downloads. By combining reputation‑based protection with exploit mitigation, it helps prevent malware, phishing attempts, and other security threats from compromising your system. The page is divided into the following ...

如果你怀疑你的设备可能有恶意软件，你应该Microsoft Defender运行扫描。 下面介绍如何在 Windows、Mac 或 Android 上执行此操作。

Stay connected to the Xbox community! See what friends are up to, start a text or voice chat, and find players for multiplayer games.

Learn how to identify and open encrypted and protected emails no matter what email client you're using.