Do you need help locating your computer name? - Microsoft Support
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.
Applies To:
Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Small Business Admin, Office 365 operated by 21Vianet - Admin
Use Game Mode while gaming on your Windows device
Find out how to turn on Game Mode while playing a game on your Windows 10/11 device.
Windows help and learning
Find help and how-to articles for Windows operating systems. Get support for Windows and learn about installation, updates, privacy, security and more.
Contact - Microsoft Support
Contact Microsoft Support. What's new. Surface Pro; Surface Laptop; Surface Laptop Studio 2
Recovery options in Windows - Microsoft Support
Learn about the recovery options in Windows. Find out how to reset your PC, go back to a previous version of Windows, or use media to reinstall Windows.
Microsoft 365 和 Office 2021 之间的区别是什么？
了解 Microsoft 365 订阅、Office 2016 和免费 Office Online 应用之间的区别。
Applies To:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office.com
Troubleshoot buying issues with Microsoft Store
Try these steps if you’re having trouble buying apps, games, or downloads from the Microsoft Store.
Applies To:
Microsoft account dashboard
从“文件”菜单打开文件 - Microsoft 支持
了解如何从 Microsoft Office 应用中搜索和打开文件。 使用快捷方式浏览最近打开的文件和文件夹。
Applies To:
Excel for Microsoft 365, Word for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, Project Online Desktop Client, Publisher for Microsoft 365, Visio Plan 2, Excel for Microsoft 365 for Mac, Word for Microsoft 365 for Mac, PowerPoint for Microsoft 365 for Mac, Excel 2021, Word 2021, PowerPoint 2021, Access 2021, Project Professional 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Excel 2021 for Mac, Word 2021 for Mac, PowerPoint 2021 for Mac, Excel 2019, Word 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Excel 2019 for Mac, Word 2019 for Mac, PowerPoint 2019 for Mac, Excel 2016, Word 2016, PowerPoint 2016, Access 2016, Project Professional 2016, Project Standard 2016, Publisher 2016, Visio Professional 2016, Visio Standard 2016
排查Windows 媒体播放器错误 - Microsoft 支持
Windows 媒体播放器是 Windows 附带的内置多媒体播放器。 虽然它是一个可靠且广泛使用的应用程序，但用户可能会不时遇到错误和问题。
向 Microsoft 帐户兑换礼品卡或代码 - Microsoft 支持
了解如何兑换礼品卡、代码或 Office 产品密钥，以及如何在 Microsoft Store 在线商店、Windows 或 Xbox 上花费余额。
Applies To:
Microsoft account dashboard