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在电脑或 Mac 上下载并安装或重新安装 Microsoft 365 或 Office 2021 - Microsoft 支持
准备好安装了吗? 在开始之前,请确保电脑或 Mac 满足 系统要求。. 如果你已兑换产品密钥,只需重新安装应用,或者知道你已通过工作或学校分配了许可证,则可以跳到登录部分 ,下载并安装 Microsoft 365 或 Office。 但是,如果是 首次 安装 Microsoft 365 或 Office,可能需要先执行一些步骤。
Applies To: Office 2021, Office 2021 for Mac, Office 2019, Office 2019 for Mac, Microsoft 365 for home, Office for business, Office 365 Small Business, Microsoft 365 admin, Office 365 operated by 21Vianet, Office 365 operated by 21Vianet - Admin, Microsoft 365 for Mac, Office 365 Germany - Enterprise, Office 365 Germany - Enterprise admin, Office.com
激活 Office - Microsoft 支持
解决激活错误. 如果 Microsoft 365 无法激活,其最后会变为未授权,且 Microsoft 365 的所有编辑功能都会被禁用。 Microsoft 可能由于多种原因变为未授权。
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
How to use the taskbar in Windows - Microsoft Support
These are the buttons and bars that sit right next to your Start button and cannot be moved.. Search on the taskbar can be set in four ways: either to Search box, which includes a full text box to enter your search (or your Bing Chat prompt; see Using the new Bing on the Windows taskbar for more) into plus additional search highlights, Search icon and label (displaying as a search icon and ...
Power efficient settings in Windows 11 - Microsoft Support
Updates to the default screen and sleep settings now help you use energy more efficiently and extend battery life. You can find efficiency settings in Windows 11 at Settings > System > Power & battery.. For a guided walkthrough of how each of the power and battery settings can improve your device's performance, click the button to open the Get Help app:
Add an app to run automatically at startup in Windows 10
Right-click the app, select More, and then select Open file location.This opens the location where the shortcut to the app is saved. If there isn't an option for Open file location, it means the app can't run at startup.
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 > Accessibility > Text size.To make only the text on your screen larger, adjust the slider next to Text size.To make everything larger, including images and apps, select Display , and then choose an option from the drop-down menu next to Scale.
Xbox Status | Xbox Support
Check the Xbox services, games, and apps for any service outages.
如何登录到 Hotmail - Microsoft 支持
若要在 Outlook.com 中获取支持,请单击此处或选择菜单栏上的帮助,然后输入查询。 如果自助服务无法解决问题,请向下滚动到“仍需要帮助?”,然后选择“是”。 若要在 Outlook.com 中联系我们,需要登录。
Applies To: Outlook.com
Windows 11 中的节能设定 - Microsoft 支持
汇报默认屏幕和睡眠设置现在可帮助你更高效地使用能量并延长电池使用时间。 可以在 Windows 11 中找到效率设置 >系统 > 电源 & 电池。. 有关每个电源和电池设置如何提高设备性能的引导式演练,请单击按钮打开“获取帮助”应用:
更改浏览器主页 - Microsoft 支持
Microsoft Edge. 下面介绍如何在新版 Microsoft Edge 中更改主页:. 打开 Microsoft Edge,依次选择“设置及更多” >“设置” 。