iOS Android To install Authenticator on your iOS device Scan the QR code or download and install Authenticator from the Apple app store.

Hotmail is now Outlook.com To sign in to Hotmail, you'll need your Microsoft account username and password. Sign in at outlook.live.com

Learn how to activate Windows using a product key or digital license, check your activation status, and link your Microsoft account.

Learn how to install Office 2021, 2019, or 2016 on your PC or Mac.

Learn how to find a Windows product key for activation, and when you'll use a digital license instead.

手机连接允许将 Android 或 iPhone 连接到 Windows 电脑，从而可以直接在计算机上访问许多手机功能。 你可以轻松地阅读和回复短信、查看移动设备中的最近照片、使用喜欢的移动应用、拨打和接听电话，以及从电脑上的移动设备管理通知。

联系支持人员 有关 Microsoft 帐户和订阅的帮助，请访问 帐户和计费帮助。 如需技术支持，请转到 联系 Microsoft 支持人员，输入问题并选择“ 获取帮助 ”。 如果仍然需要帮助，请选择“ 联系支持人员 ”以转至最佳支持选项。 管理员 管理员应查看 OneDrive 管理员帮助 、 OneDrive 技术社区 或联系 ...

Windows 11 Windows 10 There are several different kinds of keyboards for PCs. The most common type is a physical, external keyboard that plugs into your PC. But Windows has a built-in Accessibility tool called the On-Screen Keyboard (OSK) that can be used instead of a physical keyboard. You don't need a touchscreen to use the OSK. It displays a visual keyboard with all the standard keys, so ...

Learn how to run Windows Update Troubleshooter to resolve errors downloading or installing Windows updates.

All kinds of Bluetooth devices can be paired with a Windows device including: Keyboards and mice. Phones. Speakers and headphones. Printers and scanners. Many more types of devices. To pair a Bluetooth device with Windows, the Windows device needs to have Bluetooth. Most Windows devices already have Bluetooth built in. If a Windows device doesn't have Bluetooth, a USB Bluetooth adapter can be ...