Need help with an Xbox console, an Xbox game or Xbox network? Find out how to get in touch with us.

Learn about Unified Extensible Firmware Interface (UEFI) features and how to access them on Surface Pro 4, Surface Book, and Surface Studio.

使用双重验证时，Microsoft Authenticator 应用可帮助你登录帐户。

There are steps you can take if you turn on a Surface device and see "Couldn't find a bootable operating system."

为 Windows 10 创建 ISO 文件. 与以前版本的 Windows 不同的是，你需要使用媒体创建工具来创建用于安装 Windows 10 的 ISO 文件。

Surface Laptop 3 has power and style to help you get things done throughout your day the way you want. Get to know Surface Laptop 3. To help you get around, here are some diagrams for Surface Laptop 3.

Microsoft アカウントへのサインインに関する問題を解決する方法について説明します。 パスワードの確認、アカウントのロック、およびその他の Microsoft アカウントのログインの問題を解決します。

Узнайте, как устранить проблемы Bluetooth в Windows. Устраняйте проблемы с подключением Bluetooth-устройства или аксессуара.

Fix your media file that won't play in PowerPoint. For a complete list of supported video formats, see Video and audio file formats supported in PowerPoint.. Recommendations. Video: We recommend that you use .mp4 files encoded with H.264 video (also known as MPEG-4 AVC) and AAC audio. This is your best bet for compatibility across both Windows and Mac versions of PowerPoint.

Learn how to stream HDR video in Windows. Find out the display, PC, and graphics card requirements for streaming HDR video.