Learn how to join a Microsoft Teams meeting if you don't have an account. Join a Teams meeting as a guest in the Windows app or on the web.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

If you need to sum a column or row of numbers, let Excel do the math for you. Select a cell next to the numbers you want to sum, select AutoSum on the Home tab, press Enter, and you’re done. When you select AutoSum, Excel automatically enters a formula (that uses the SUM function) to sum the numbers. Here’s an example.

To activate Windows 10 using an internet connection: As Windows 10 will automatically activate if you are connected to the internet, you can confirm your activation status by selecting Start > Settings > Update & Security > Activation and looking under Windows.. If online activation fails, first try the activation troubleshooting in Activate Windows 10.

Learn how to open MSConfig in Windows 10 using the taskbar search bar and access system configuration.

Tip: To quickly open the On-screen Keyboard in Windows 11, click the Windows button.Begin typing On-Screen Keyboard which will appear in the search entry box. Under Search, which will appear as a list above the search box, click the On-Screen Keyboard search result. When the on-screen keyboard appears, click the ScrLk button.

但如果需要测试多个条件，例如我们假设所有条件都需要为 True 或 False (AND)，或只有一个条件需要为 True 或 False (OR)，或者如果想要检查某个条件是否不 (NOT) 符合你的条件，这时该怎么做呢？这三个函数均可以单独使用，但它们更常见于与 IF 函数成对使用。

On the Start menu, scroll down the all apps list to Microsoft Solitaire Collection, right-click (or press and hold) the tile and select Pin to Start .It'll be available on the Start menu.

Credential Manager lets you view and delete your saved credentials for signing in to websites, connected applications, and networks. To open Credential Manager, type credential manager in the search box on the taskbar and select Credential Manager Control panel.

The following communication site shows a footer that's been added. Labels and links appear on the right side of the footer. When you add labels and links to your footer, they follow the Edit link and appear to the right.. On your site, select Edit on the right side of the footer (Edit appears on your footer after you've turned the footer control on).