如何更改用户帐户名称 - Microsoft 支持
有关如何更改 Microsoft 帐户上的名称的说明。
Find out which Surface model you have - Microsoft Support
Find out what model of Surface you're using. There are several ways to find out which Surface device model you have. Look in the Surface app
Create an email signature from a template - Microsoft Support
Use a ready signature template from a gallery to create your email signature in Outlook.
Applies To:
Outlook for Microsoft 365, Outlook 2021, Outlook 2019, Outlook 2016
检查你的 DirectX 版本 - Microsoft 支持
检查你的版本. DirectX 是许多 Windows 游戏都需要的一种多媒体技术套件。 如果你的电脑未安装正确版本的 DirectX（产品包装盒上应标有所需的版本），游戏可能无法正常运行。
Product activation for Windows – online & support telephone numbers
Learn how to activate Windows using an internet connection, automated system, or live support advocate.
获取 Windows 升级和安装错误的帮助 - Microsoft 支持
请参阅一些最常见的升级和安装错误，了解Windows 10和Windows 11，以及可尝试修复的错误。
Find your IP address in Windows - Microsoft Support
Get info on how to find your IP address in Windows. Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.
电话链接要求和设置 - Microsoft 支持
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。
How to sign in to Outlook on the web - Microsoft Support
How to sign in to Outlook on the web, access your email, contacts, and calendar.
Applies To:
Office for business, Office 365 Small Business, Microsoft 365 admin, Outlook on the web, Outlook on the web for Exchange Server 2016
Global Customer Service phone numbers - Microsoft Support
This page provides phone numbers of Microsoft customer service.