Learn how to tell if your Office software is genuine. To help determine if your Microsoft software is genuine, go to our How to Tell site for more information. Here you'll learn about authentic packaging, including what to look for with product key labels, and Certificate of Authenticity (COA), how to report counterfeit software, and find out what your shopping and licensing options are.

通过 Wi-Fi 与其他设备共享 Internet 连接，将 Windows 电脑变成移动热点。 你可以共享 WLAN、以太网或手机网络数据连接。

Share your file with others. To invite other people to access your PowerPoint file and collaborate, take these steps: With the presentation open, select the Share button in the top right corner of the ribbon. If you have not yet stored your presentation to OneDrive or SharePoint in Microsoft 365, a message will direct you to do so.

注意你可以随时转到 Microsoft Store 应用或转到“我的游戏和应用”>“查看所有”>“应用”，重新安装应用或将其安装到另一台主机上。如果“报告问题”应用尚未安装到设备上，请确保使用相同步骤安装该应用（请参阅“如何为 Insider 预览版提供反馈？

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。

Experience AI-powered browsing with the new Bing built-in. Get comprehensive answers, summarized information, and find inspiration side-by-side in Microsoft Edge.

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

Click System and Security > System.. On the View basic information about your computer page, see the Full computer name under the section Computer name, domain, and workgroup settings.

Learn how to use voice access for accessibility. This page includes accessibility help articles for people who use Windows voice access to control their PC and author text using their voice.

An eSIM lets you connect to the Internet over a cellular data connection. With an eSIM, you don't need to get a SIM card from your mobile operator, and you can quickly switch between mobile operators and data plans.