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
Install the Windows 8.1 Update (KB 2919355) - Microsoft Support
Learn how to check for, download, and install KB 2919355, an update for Windows 8.1 and Windows RT 8.1.
Change the size of text in Windows - Microsoft Support
Here's how to change the size of text, images, and apps in Windows. To change your display in Windows, select Start > Settings > Ease of Access > Display.To make only the text on your screen larger, adjust the slider under Make text bigger.To make everything larger, including images and apps, choose an option from the drop-down menu under Make everything bigger.
Set screen time limits across devices - Microsoft Support
Learn how to manage and set device screen time limits on Windows, Xbox, and mobile devices connected through the Microsoft Family Safety app.
Applies To:
Microsoft Family Safety
End of support for Cortana - Microsoft Support
Explore subscription benefits, browse training courses, learn how to secure your device, and more.
Install, manage, or uninstall apps in Microsoft Edge
Alternatively, you can install any website by going to the top corner of the browser and select Settings and more … > Apps > Install this site as an app.
Applies To:
Microsoft Edge
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.
Use Microsoft Teams on the web - Microsoft Support
The Microsoft Teams web app works for most desktop browsers, including Chrome, Firefox, and Internet Explorer.
Applies To:
Microsoft Teams
Manage app permissions for your camera in Windows
To use your camera with apps on Windows 11, you'll need to turn on some permissions in Camera settings. Then, you'll need to check your app permissions if you want to use your camera with apps.
How to redeem Microsoft Rewards points - Microsoft Support
Learn how to redeem your Microsoft Rewards points for a huge variety of great products and sweepstakes.
Applies To:
Microsoft account dashboard