在 Android 设备上安装 Authenticator Google Play 商店在中国不可用，因此只能从以下商店下载Microsoft Authenticator： 联想 Oppo – 搜索要从 Oppo 存储区下载Microsoft Authenticator。 Samsung

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

加密是将数据转换为代码以防止未经授权的访问的过程。 在 Windows 中，可以使用内置工具来加密文件和文件夹，确保只有具有正确解密密钥的个人才能访问内容。

The Microsoft Authenticator app helps you sign into your accounts when you're using two-step verification.

Windows provides a wealth of data access to make apps useful and valuable to you. These capabilities, which are security constructs that gate access to personal data, include things like Calendar, Contacts, Call history, and more. Each capability has its own privacy settings page so that you can control it and what apps and services can use that capability. To control which apps can use each ...

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 ...

注意: Microsoft Authenticator 不适用于电脑或 Mac，因为出于安全原因，验证器应用通常用于智能手机。 了解详细信息。 Microsoft不再支持超过一年的 Authenticator 版本。 始终使设备保持最新状态。 从 2025 年 7 月开始，Authenticator 中的自动填充功能将停止工作，并且从 2025 年 8 月起，密码将不再可在 ...

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？

使用工作或學校帳號並持有合格的 Microsoft 365 訂閱，在 Outlook 中發送 S/MIME 或 Microsoft Purview 加密電子郵件。

Learn about getting started with the new Microsoft Defender on your personal devices including Windows, Mac, Android, and iOS.