安装 Windows 11 的方法 - Microsoft 支持
安装 Windows 11 的其他方法（不推荐）. 使用安装助手进行升级 我们建议你等到设备可以升级到 Windows 11 后再使用安装助手。. 准备就绪后，可以在 Windows 11 软件下载页 上找到它。. 创建 Windows 11 安装媒体 在 Windows 11 软件下载页面 上，选择 立即创建工具 ，然后 ...
Internet Explorer 下载 - Microsoft 支持
Microsoft Edge 是 Microsoft 推荐的浏览器. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。. Internet Explorer 11 已通过某些版本的 Microsoft Edge 更新永久禁用Windows 10。. 如果访问的任何网站需要Internet Explorer 11，则可以在Microsoft Edge中使用Internet Explorer模式重新加载它 ...
Download and install or reinstall Office 2019, Office 2016, or Office ...
Note: The steps to install the 2019, 2016, or 2013 versions of Office Professional Plus, Office Standard, or a stand-alone app such as Word or Project might be different if you got Microsoft 365 through one of the following: Microsoft Workplace Discount Program (formerly known as Home Use Program): If you bought Microsoft 365 for personal use through your company, see Install Office through ...
适用于:
Office 2019, Office 2016, Office 2016 for Mac, Office 2013
Download and install or reinstall Microsoft 365 or Office 2021 on a PC ...
Select Install (or depending on your version, Install apps> ). From the home page select Install apps (If you set a different start page, go to aka.ms/office-install .) For Microsoft 365 operated by 21 Vianet go to login.partner.microsoftonline.cn/account. For Microsoft 365 Germany go to portal.office.de/account.
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
Connect your Windows PC to an external display that supports Miracast ...
Windows 11 Windows 10. Turn on your TV or projector. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display. On your PC, make sure Wi-Fi is turned on. On right side of the taskbar, select the Network icon > Cast > pick your display or adapter. Follow any additional instructions on the screen. Otherwise, you're done.
Microsoft Edge 中的 Internet Explorer 模式 - Microsoft 支持
大多数网站在新式浏览器上都能更好地工作。. 对 Internet Explorer 的支持已于 2022 年 6 月 15 日结束。. 建议仅在必要时才在Microsoft Edge中使用Internet Explorer模式。. 有关详细信息，请参阅 详细了解 Microsoft Edge 。. 要打开 Internet Explorer 模式，请按照下列步骤操作。. 在 ...
计算两个日期之间的差值 - Microsoft 支持
计算两个日期之间的差值. 计算两个日期之间的差值. 若要计算两个日期之间的差值，请使用 DATEDIF 函数。. 首先将开始日期放入一个单元格，并将结束日期置于另一个单元格。. 然后键入一个如下所示的公式。. 警告: 如果 Start_date 大于 End_date ，结果将会是 #NUM!
适用于:
Microsoft 365 专属 Excel, Excel 2021, Excel 2019, Excel 2016
Find your Office product key - Microsoft Support
Find your Office product key. Office 365 Office 2019 Office 2016 Office 2013. Many tasks for Office products don't require a product key because your Microsoft account takes care of them instead. Using product keys with Office.
Uninstall or remove apps and programs in Windows
Select Start > All apps and search for the app in the list shown. Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now.
Create installation media for Windows - Microsoft Support
To create installation media, go to the software download website, where you'll find step-by-step instructions. On that website, you can select a version of Windows and create your own installation media using either a USB flash drive or a DVD. To go directly to one of the versions, select one of these links: Windows 10 (Then select Download now.)