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。

若要退出群组聊天，请点击聊天标头，然后点击“ 离开聊天”。 若要从群组聊天中删除其他人，请执行以下操作： 在参与者列表中，将鼠标悬停在某个人的姓名上，然后选择 “x ”将其从聊天中删除。他们将能够查看聊天历史记录，因为他们是成员，但无法响应消息、发送消息或接收来自组的新 ...

Microsoft Edge旨在检测和阻止已知跟踪器。 你可以自行决定阻止哪些跟踪器。 你可以从三个级别的跟踪防护中进行选择： 基本、均衡和严格。

You can manage all of your Microsoft subscriptions in your Microsoft account dashboard. Select each subscription to change when and how you pay, or to see order history & receipts.

To open the Start menu—which contains all your apps, settings, and files—you can do any of the following: On the center or left end of the taskbar, select the Start icon.

Things to try first. Try these things first to help you fix or narrow down the connection problem. Run Get Help to troubleshoot and fix common connection problems. Right click the network icon in the right side of the taskbar and select Diagnose network problems or open Get Help for Network & Internet

Wenn Sie die kostenlosen Solitaire-Spiele aus früheren Versionen von Windows vermissen, finden Sie diese jetzt alle gemeinsam in einer bequemen App, der Microsoft Solitaire Collection.

On the General tab, under Home page, enter the URL of the site you want to set as a homepage.You can add more than one URL. Or, to add the site you're currently viewing, select Use current.If you add more than one URL, put each URL on its own line.

Check the cables (for wired printers). Make sure that the printer's USB cable is properly connected from the printer to your PC. If your USB isn’t recognized, see Automatically diagnose and fix Windows USB problems. Check the wireless connection (for wireless printers).Do one of the following:

A theme is a combination of desktop background pictures, window colors, and sounds. Get a theme. To get a theme, expand one of the categories below, select a link for the theme, and then select Open.This saves the theme to your PC and puts it on your desktop.