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Screen mirroring and projecting to your PC or wireless display
You can wirelessly connect your PC to a TV, projector, or other kind of external display that supports Miracast. Turn on your TV, projector, or other display. If you're using a Miracast dongle or adapter, make sure it's plugged in to the display.
更改或重置 Windows 密码 - Microsoft 支持
在登录屏幕上选择 “重置密码 ”链接。 如果改用 PIN,请参阅 PIN 登录问题 。 如果使用的是网络上的工作设备,则可能看不到重置密码或 PIN 的选项。
使用 Xbox 玩云游戏 | Xbox Support
通过云游戏和安装来玩 Xbox 主机游戏. 了解如何使用 Android、iOS 或 Windows 设备在 Xbox 上玩云游戏。.
适用于电脑的游戏服务修复工具 | Xbox Support
将电脑版 Xbox 应用更新为 2311.1001.7.0 或更高版本后,可以使用以下步骤运行游戏服务修复工具:. 启动 电脑Xbox 应用。. 单击个人资料图片。. 单击“支持”。. 单击“游戏服务修复工具”。. 单击“开始疑难解答”。. 在电脑上运行游戏服务修复工具后,可能还 ...
Download and install apps - Microsoft Support
Download and install or reinstall Microsoft 365 or Office 2021 on a PC or Mac. Set up Office apps and email on a mobile device. Small business help and learning. Learn how to download and install apps you need from your Microsoft 365 business subscription.
Gaming Services Repair Tool for PC | Xbox Support
If you are having issues installing or updating Gaming Services on your PC, or if you are noticing that the Xbox app for PC is launching with missing content, you may want to download and run the Gaming Services Repair Tool for PC.
How to sign in to or out of Outlook.com - Microsoft Support
Sign in to Hotmail or Outlook.com. To sign in to Outlook.com or Hotmail, you'll need your Microsoft Account username and password. Sign-in. Note: Check the Don't show this again box if you want to go straight to Outlook.com next time (not recommended for shared computers).
适用于: Outlook.com
Set up your Windows device for cloud gaming | Xbox Support
How to play from the Xbox app for Windows. On your Windows device, launch the Xbox app for Windows. Select Search on the taskbar, type Xbox, and then select it from the list. If the app isn’t installed, you can get it for free from the Microsoft Store. Sign in with your Microsoft account.
在 Excel 中将 IF 与 AND、OR 和 NOT 函数配合使用 ...
AND 和 OR 函数最多可支持 255 个单独条件,但并不建议使用多个条件,因为构建、测试和维护复杂的嵌套公式是非常难的。. NOT 函数仅采用一个条件。. 下面是根据它们的逻辑写出的公式:. 公式. 说明. =IF (AND (A2>0,B2<100),TRUE, FALSE) 如果 A2 (25) 大于 0,并且 B2 (75 ...
适用于: Microsoft 365 专属 Excel, Microsoft 365 Mac 版专属 Excel, Excel 网页版, Excel 2021, Excel 2021 for Mac, Excel 2019, Excel 2019 for Mac, Excel 2016, Excel Web App, Excel for Windows Phone 10
Change your default search engine in Microsoft Edge
However, you can change the default search engine to any site that uses OpenSearch technology. To change your default search engine in Microsoft Edge: Perform a search in the address bar using the search engine you want to set as your default. Select Settings and more > Settings . Select Privacy, search, and services.