如何激活预安装在新 Windows 10 计算机上的 Office 或使用新的产品密钥。

Adding Emojis to your conversation. Below the message box are three buttons to help you insert content into your message. The emoji button opens menus where you can quickly search for what you want.

Sign in to a work/school account using a remote computer. Many apps allow you to authenticate by entering a code on another device such as a PC.

Microsoft support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

A guide to help you identify and access your Microsoft account. How to check if your email is a Microsoft account? Go to the Microsoft account sign-in page at https://account.microsoft.com and enter your email address.

If you can’t locate a lost file from your backup, then you can use Windows File Recovery, which is a command line app available from the Microsoft Store.Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin.

Notes: If you don't see Go to Microsoft Store on the Activation page, contact your organization's support person.. If you made a substantial hardware changes to your device (such as replacing the motherboard) and you have a valid product key, try to activate Windows by phone.

The PC Game Pass plan gives you access to a set of high-quality PC games on Windows 10/11 devices. The best way to experience PC Game Pass is in the Xbox app for Windows, available for download from the Microsoft Store or at:

Learn how to install the latest version of DirectX to enable games and multimedia applications on your system.

DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。. 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。 如果安装并运行需要 DirectX 9 的应用程序或游戏，你可能会收到错误消息“无法启动此程序，因为计算机中丢失 d3dx9_35.dll。