If you can't find Internet Explorer on your device, you'll need to add it as a feature. Select Start > Search , and enter Windows features. Select Turn Windows features on or off from the results and make sure the box next to Internet Explorer 11 is selected. Select OK, and restart your device. Internet Explorer 11 support ended on June 15, 2022.

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...

Microsoft 365 for business is a subscription service that lets you run your organization in the cloud while Microsoft takes care of the IT for you. It connects employees to the people, information, and content they need to do their best work, from any device. The latest desktop versions of Microsoft 365 apps: Outlook, Word, Excel, PowerPoint ...

Contact Microsoft Support. What's new. Surface Laptop Studio 2. Surface Laptop Go 3. Surface Pro 9. Surface Laptop 5. Microsoft Copilot. Copilot in Windows. Microsoft 365.

如需技术支持，请转到 联系 Microsoft 支持人员 ，输入问题并选择“ 获取帮助 ”。. 如果仍然需要帮助，请选择“ 联系支持人员 ”以转至最佳支持选项。. 管理员. 管理员应查看 OneDrive 管理员帮助 、 OneDrive 技术社区 或联系 Microsoft 365 商业版支持人员 。.

下载并安装应用. 设置 Microsoft 365 商业版订阅后，需要在电脑或 Mac 上下载并安装 Microsoft 365 应用，如 Word、Excel、Microsoft Teams 和 PowerPoint。. 转到 microsoft365.com 并使用 Microsoft 365 帐户登录。. 选择 “安装应用”。. 按照浏览器中的说明下载安装程序并开始安装 ...

COUNTIFS (criteria_range1, criteria1, [criteria_range2, criteria2]…) The COUNTIFS function syntax has the following arguments: criteria_range1 Required. The first range in which to evaluate the associated criteria. criteria1 Required. The criteria in the form of a number, expression, cell reference, or text that define which cells will be ...

Project management basics. In a nutshell, project management is the discipline of planning, organizing, and managing resources to complete a specific goal. And then everything goes wrong. The following articles can arm you with the basics to manage a project and deal with the problems that come up. The project management road map.

光刺激誘發癲癇症警告. 有極少數的人在觀看一些視覺影像時可能會突然癲癇發作，這些影像包括視訊遊戲中出現的閃光或圖形。. 甚且連沒有突然發病或癲癇史者也可能在進行電玩遊戲時，出現類似癲癇症狀，這類未經診斷的症狀稱為「光刺激誘發癲癇症 ...

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.