Shut down (turn off) your PC - Microsoft Support
Windows 10. To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.
管理与你的 Microsoft 帐户一起使用的设备 - Microsoft 支持
断开设备与 Microsoft Store 的链接 如果无法从 Microsoft Store 中下载内容，则你可能已达到了设备限制。 通过删除不使用的设备或者不再有权访问的设备来管理你的限制。 要断开与某个设备的链接，请执行以下操作： 了解如何管理 Microsoft 设备。 在 Microsoft 帐户上添加、删除、注册或重命名设备。
适用于:
Microsoft 帐户仪表板
Change screen brightness in Windows - Microsoft Support
Some PCs can let Windows automatically adjust screen brightness based on the current lighting conditions. To find out if your PC supports this, select Settings > System > Display. Select Brightness, look for the Change brightness automatically when lighting changes check box, and then select it to use this feature. This automatic setting helps make sure your screen is readable wherever you go ...
检查你的 DirectX 版本 - Microsoft 支持
更新 DirectX 若要获取你的 Windows 版本的最新版 DirectX，请使用 “Windows 更新” 。 如果你有 Windows 10，则你已经安装了最新版本的 DirectX。 并非所有版本的 Windows 都可以运行最新版本的 DirectX。
Descargar e instalar o reinstalar Microsoft 365 u Office 2021 en un ...
Obtenga información sobre cómo instalar, reinstalar o activar Microsoft 365 u Office 2019 en un equipo PC o Mac.
适用于:
Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, 由世纪互联运营的 Office 365, 由世纪互联运营的 Office 365 - 管理员版, Microsoft 365 Mac 版, Office 365 Germany – 企业版, Office 365 Germany - 企业管理员版, Office.com
Unlicensed Product and activation errors in Office
If Office activation fails, you'll see Unlicensed Product or Non-commercial use / Unlicensed Product in the title bar of your Office apps, and most features of Office are disabled. To restore all features of Office, you'll need to fix the problem that's causing activation to fail.
适用于:
Microsoft 365 专属 Excel, Microsoft 365 专属 Word, Microsoft 365 专属 Outlook, Microsoft 365 专属 PowerPoint, Microsoft 365 专属 Access, OneNote for Microsoft 365, Project Online 桌面客户端, Microsoft 365 专属 Publisher, Visio 计划 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 2021, Project 专业版 2021, Project Standard 2021, Publisher 2021, Visio Professional 2021, Visio Standard 2021, Office 2021, OneNote 2021, Excel 2019, Word 2019, Outlook 2019, PowerPoint 2019, Access 2019, Project Professional 2019, Project Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Project 专业版 2016, Project Standard 2016, Publisher 2016, Visio 专业版 2016, Visio 标准版 2016, Office 2016, Microsoft 365 家庭版, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员, InfoPath 2013
如何使用電腦健康情況檢查應用程式 - Microsoft 支援服務
[電腦健康情況檢查] 應用程式會提供您 Windows 裝置健康情況最新資訊，協助您採取動作來改善裝置效能，並疑難排解效能問題。 它會根據客戶的意見反應定期更新，協助您充分利用 Windows 電腦。 了解如何使用電腦健康情況檢查應用程式，協助改善您的裝置效能。
Install Visio or access Visio for the web - Microsoft Support
If you have Visio Plan 2 or a non-subscription version such as Visio Professional or Visio Standard 2021 , 2019, or 2016 you can install and use the desktop app. If you have Visio Plan 1 the only way for you to access Visio is via the web app version. To learn how to access Visio this way, select the Visio for the web tab below.
适用于:
Visio 计划 2, Visio Professional 2021, Visio Standard 2021, Visio Professional 2019, Visio Standard 2019, Visio 专业版 2016, Visio 标准版 2016, Office 商业版, Office 365 小型企业版, Microsoft 365 管理员
Clipboard in Windows - Microsoft Support
Learn how to use the cloud-based clipboard in Windows, share clipboard items across your devices, and pin items to your clipboard menu.
Contact Microsoft Office Support
Sign in to Microsoft 365 admin center with your Microsoft 365 admin account, and select Support > Help and support, enter your question and select Contact support. If you're an admin on the account you can also call (800) 865-9408 (toll-free, US only). If you’re outside the United States, see the global support phone numbers. Business Assist ...