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 the right side of the taskbar, select the Network icon > Cast, then select your display or wireless adapter. Follow any additional instructions on the screen.

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 ...

If you're using new Outlook, for more information about email signatures, or if you haven’t created one yet, see Add a signature to messages. Select File > Options > Mail > Signatures . Select the signature you want to edit, and then make your changes in the Edit signature box. When you're done, select Save > OK. How to change your Outlook ...

Windows 11 Windows 10. Windows 11 Windows 10. 在 Windows 11 中，你决定何时以及如何获取最新更新，以保持设备平稳且安全地运行。. 要管理你的选项并查看可用更新，请选择 检查 Windows 更新 。. 或者选择" 开始> 设置 > Windows更新" 。. 以下是你可能正在寻找的某些其他信息 ...

DirectX is a set of components in Windows that allows software, primarily and especially games, to work directly with your video and audio hardware. Games that use DirectX can use multimedia accelerator features built-in to your hardware more efficiently which improves your overall multimedia experience.

Getting the most out of your PC backup. When you back up your files, apps, and settings in the cloud using your Microsoft account, you get 5 GB of free cloud storage and other benefits that protect your files with the latest security and make everyday tasks easier. Your Microsoft account ties everything together, no matter where you are or what ...

Easily open all your favorites at one time in the new Microsoft Edge . In Microsoft Edge, select Settings and more > Favorites . In the Favorites window, right-click Favorites bar . Choose Open all, or Open all in new window, or Open all in new InPrivate window. Note: This topic is for the new Microsoft Edge . Get help for the legacy version of ...

安装Amazon Appstore. 若要安装Amazon Appstore，需要从 Microsoft Store 安装它。. 获取Amazon Appstore. 安装完成后，Amazon Appstore和“适用于 Android 的 Windows 子系统™设置”应用将显示在“开始”菜单和应用列表中。. 准备就绪后，打开Amazon Appstore并使用 Amazon 帐户登录。. 重要 ...

Disk cleanup in Windows. To delete temporary files: In the search box on the taskbar, type disk cleanup, and select Disk Cleanup from the list of results. Select the drive you want to clean up, and then select OK. Under Files to delete, select the file types to get rid of. To get a description of the file type, select it.

To check for updates, select Start > Settings > Windows Update , then select Check for updates. If updates are available, you can choose to install them. Check for updates. If you run into problems updating your device, including problems with previous major updates, see common fixes at Troubleshoot problems updating Windows.