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激活 Office - Microsoft 支持
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。
Applies To: Excel for Microsoft 365, Word for Microsoft 365, Outlook for Microsoft 365, PowerPoint for Microsoft 365, Access for Microsoft 365, OneNote for Microsoft 365, Publisher for Microsoft 365, Visio Plan 2, Excel 2021, Word 2021, Outlook 2021, PowerPoint 2021, Access 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 Standard 2019, Publisher 2019, Visio Professional 2019, Visio Standard 2019, Office 2019, Excel 2016, Word 2016, Outlook 2016, PowerPoint 2016, Access 2016, OneNote 2016, Publisher 2016, Office 2016, Microsoft 365 for home, Office for business, Office.com, Project for Office 365
Using the Windows Activation troubleshooter - Microsoft Support
Learn how to use the Activation troubleshooter to resolve common activation issues in Windows.
Add an app to run automatically at startup in Windows 10
Learn how to add an app to run automatically at startup. Select the Start button and scroll to find the app you want to run at startup.
Get help with a digital code or gift card | Xbox Support
Find out more about Xbox digital codes and gift cards, and how to troubleshoot issues redeeming content.
OneDrive help & learning
Explore OneDrive support, help, and learning resources. Learn how to protect your important files, documents, and memories with OneDrive.
在 Windows 中更改监视器上的刷新率 - Microsoft 支持
了解如何更改 Windows 中显示器的刷新率,以确定在屏幕上显示运动的平滑程度。
Télécharger et installer ou réinstaller Office 2019, Office 2016 ou ...
Découvrez comment installer Office 2013 sur PC ou Office pour Mac 2011.
Applies To: Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Opciones de recuperación en Windows - Soporte técnico de Microsoft
Obtener información sobre las opciones de recuperación en Windows. Obtén información sobre cómo restablecer tu PC, volver a una versión anterior de Windows o usar un soporte físico para volver a instalar Windows.
Track my Microsoft Rewards orders - Microsoft Support
Sign in to account.microsoft.com, then select Order History on your Rewards page.
What is HDR in Windows 11? - Microsoft Support
Learn about HDR capabilities in Windows 11 to bring a wider range of colors and details to your display.