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

当你首次在 Android 上登录到Microsoft Defender 时，我们将引导你完成几个从设置 Web 保护 开始的简单步骤。 在此过程中，我们将要求你授予 Defender 执行两项操作的权限：在后台运行并使用辅助功能服务。 在后台运行 有时仅有效的安全工具并不那么有效。

全部展開 將安全性資訊新增至您現有的 Microsoft 帳戶 建立您的 Microsoft 帳戶時新增安全性資訊

Learn how you can use the free Microsoft Authenticator app to sign in to all your accounts without using a password.

Microsoft Defender is een nieuwe beveiligings-app waarmee u en uw gezin op al uw apparaten worden beschermd. Windows, Android, Mac en iOS.

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

Follow the on-screen steps to pair your Android mobile device with your PC. If the issue persists after completing the steps above both on your PC and Android device, try restarting Phone Link on your PC.

As part of our compliance programme for the UK Online Safety Act and our ongoing investments in tools and technologies that help ensure age-appropriate experiences, we’ve introduced age verification for Microsoft accounts in the UK. This article is designed to guide you through the process, explain why verification is required, and help you understand what to expect. Whether you're setting ...

Learn how to keep your Microsoft account safe, including making a strong password, identifying safe emails, and reviewing account activity.