系统要求. 手机连接 体验从 Windows 电脑和 手机连接 开始。 从电脑中，可以使用预安装在设备上的连接至 Windows 应用或从 Google Play 或 Samsung Galaxy Store 下载的应用连接到选择 Android、Samsung、HONOR、OPPO 和华硕设备。

Troubleshoots and fixes common issues with security and malware prevention in Windows.

Note: If you receive a prompt asking whether to allow the app to access your camera (iOS) or to allow the app to take pictures and record video (Android). select Allow so the authenticator app can access your camera to take a picture of the QR code in the next step.If you don't allow the camera, you can still set up the authenticator app as described in Manually add an account to the app.

分析工具库是安装 Microsoft Office 或 Excel 时可用的 Microsoft Office Excel 加载项程序。

Learn how to protect your Windows devices and personal data from viruses, malware, or malicious attacks.

从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。

Find out how to manage your Xbox subscriptions to request a refund or cancel a recurring payment.

This article answers common questions about Microsoft Authenticator. Select the headings below to see more information.

Learn how to fix the error "Sorry, something's wrong with your Microsoft account" so you can sign in to the Xbox network.

Important: Reactions are only available to individuals using a work or school account in Outlook with a qualifying Microsoft 365 subscription.