Set up the Authenticator app. After you install the Authenticator app, follow the steps below to add your account: Open the Authenticator app. Select (+) in the upper right corner. Point your camera at the QR code or follow the instructions provided in your account settings. After your account appears in your Authenticator app, you can use the ...

Microsoft 始终保持留意异常的登录活动，以防其他人试图登录到你的帐户。 如果你正在新的地方旅行或使用新设备，我们可能会要求你确认是否真是你本人。

Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.

Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet. Make sure Wi‑Fi is turned on. Select the No internet icon on the right side of the taskbar, and make sure Wi-Fi is turned on.

Learn how you can free up drive space in Windows. Keep your PC running smoothly and up to date by increasing the disk space.

Microsoft 非常重视安全性。 Microsoft 帐户、Windows 操作系统和其他 Microsoft 产品包括密码来帮助保护你的信息。 本文提供了一些选项，可用于在忘记密码时重置或恢复密码。 请注意，如果这些选项不起作用， Microsoft 支持工程师无法帮助你检索或绕过丢失或忘记的密码 。

Move files to a new Windows PC using OneDrive. With OneDrive: Your data is safely stored in the cloud. You can easily access your content across multiple devices. You don't need to purchase hardware. Recovering files is easy and instant. You'll need: A OneDrive storage location. Internet access.

Learn how to troubleshoot Bluetooth problems in Windows. Resolve issues connecting a Bluetooth device or accessory.

Get the steps for changing your home page in Microsoft Edge, Internet Explorer 11, Google Chrome, Firefox, and Safari.

In Windows 11, you decide when and how to get the latest updates to keep your device running smoothly and securely. To manage your options and see available updates, select Check for Windows updates. Or select Start > Settings > Windows Update .