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.

Check the Xbox services, games, and apps for any service outages.

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。

Protect your Android, iPhone, Mac, and Windows devices from threats by installing Microsoft Defender. Download Microsoft Defender on your devices either by: Scanning the following QR code Searching for Microsoft Defender in your app store Sharing with your devices, the following link: Copy link We encourage you to install Microsoft Defender on at least five devices per person. Ready to give it ...

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

Find info about updates and learn about known issues with Microsoft Casual Game and what to do if you encounter one of these issues.

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： 掃描下列 QR 代碼 在 App Store 中搜尋 Microsoft Defender 與您的裝置共用，下列連結： 複製連結 我們鼓勵您為每個人至少在五部裝置上安裝 Microsoft Defender。 準備好試試看了嗎？

摘要 Windows 恶意软件删除工具 (MSRT) 有助于从运行以下任何操作系统的计算机中删除恶意软件： Windows 11 Windows Server 2022 Windows 10 Windows Server 2019 Windows Server 2016 Windows 8.1 Windows Server 2012 R2 Windows Server 2012 Windows 7 Microsoft 通常每月都将 MSRT 作为 Windows 更新的一部分或独立工具进行发布。 （有关异常，请 ...

This cumulative update for Windows 11, version 25H2 and 24H2 (KB5074109), includes the latest security fixes and improvements, along with non-security updates from last month’s optional preview release. To learn more about differences between security updates, optional non-security preview updates, out-of-band (OOB) updates, and continuous innovation, see Windows monthly updates explained ...

通过安装 Microsoft Defender，保护 Android、iPhone、Mac 和 Windows 设备免受威胁。 通过以下方式在设备上下载Microsoft Defender： 扫描以下 QR 码 在应用商店中搜索Microsoft Defender 与设备共享，链接如下： 复制链接 我们建议在每人至少五台设备上安装Microsoft Defender。 准备好了尝试一下吗？