Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2

Choose from a variety of Surface devices and accessories to get help.

Learn about Windows accessibility features and tools for people with vision, hearing, mobility, or focus disabilities.

Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.

如何更改 (dpi) 的鼠标灵敏度。 dpi 是用于测量鼠标灵敏度的标准，表示设备可以检测的 dpis (每线性) 英寸的点数。

Get more information about managing your Xbox subscriptions, issues with billing, and more.

使用 Microsoft 帐户登录到 Microsoft 服务，如 Windows、Microsoft 365、OneDrive、Skype、Outlook 和 Xbox Live。

Get the most out of your subscription with expert advice and support from small business advisors. Business Assist for Microsoft 365 is designed for small businesses to give you and your employees around-the-clock access to small business advisors as you grow your business, from onboarding to everyday use.

通过语音键入，可以通过说话在电脑上输入文本。 语音键入使用由 Azure 语音服务提供支持的联机语音识别。

Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.