The Program Install and Uninstall troubleshooter helps you automatically repair issues when you're blocked from installing or removing programs.

Your computer name identifies it on a network. Find your computer name in Windows 10. Open the Control Panel.. Click System and Security > System.. On the View basic information about your computer page, see the Full computer name under the section Computer name, domain, and workgroup settings.. Find your computer name in Windows 8

Microsoft Support is here to help you with Microsoft products. Find how-to articles, videos, and training for Microsoft Copilot, Microsoft 365, Windows, Surface, and more.

如果你在下载和安装 Windows 更新时收到错误代码，更新疑难解答可以帮助解决该问题。 选择“开始 ”>“设置> ”>“更新和安全 ”>“疑难解答”>“其他疑难解答”。 接下来，在“启动并运行”下，选择“Windows 更新” > “运行疑难解答”。 运行完疑难解答后，最好重启设备。

Use AutoSum. The easiest way to add a SUM formula to your worksheet is to use AutoSum. Select an empty cell directly above or below the range that you want to sum, and on the Home or Formula tabs of the ribbon, click AutoSum > Sum.AutoSum will automatically sense the range to be summed and build the formula for you.

Repair programs in Control Panel. You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs.

In Windows 11 22H2, the default app used to host console windows has been changed to Windows Terminal. After the October 2022 update, Command Prompt, Windows PowerShell, and other console apps will appear inside an instance of Windows Terminal.

For fast and simple editing, we've added Clipchamp as the official Microsoft video editor. Microsoft Clipchamp comes preinstalled on Windows 11 devices. To open Clipchamp, go to the search box on the taskbar, type Clipchamp, and select it from the results.Or you can select Start , then select All apps and scroll down to find Clipchamp in the list of apps.

Note: The previous Windows Ink Workspace included Sticky Notes and Sketchpad.You can still use Sticky Notes to jot down reminders or note your ideas. To access Sticky Notes see Get started with Sticky Notes.Sketchpad is only available in older releases of Windows.

Use wildcard characters as comparison criteria for text filters and when you're searching and replacing content. These can also be used in the Conditional Formatting rules that use the "Format cells that contain specific text" criteria.. For more about using wildcard characters with the Find and Replace features in Excel, see Find or replace text and numbers on a worksheet.