To keep an area of a worksheet visible while you scroll to another area of the worksheet, go to the View tab, where you can Freeze Panes to lock specific rows and columns in place, or you can Split panes to create separate windows of the same worksheet.

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Check the device. If the device doesn't appear to work at all (no lights appear on the device when it’s plugged in, or the cursor doesn't move or doesn't appear on the screen), connect the device to another PC and make sure the device works on that PC.

查找有关 Windows 操作系统的帮助和操作方法文章。 获取对 Windows 的支持，并了解安装、更新、隐私、安全等方面的信息。 使用 Windows 11 让日常任务更加轻松 当有很多任务时，Windows 11 可帮助你完成它们。

为空格添加下划线 可以通过按 Shift+连字符 ( ) 来为空格添加下划线，但很难将下划线对齐（例如，如果要创建填充窗体）。 此外，如果打开用于将下划线字符更改为边框线的自动套用格式选项，则按 Shift+连字符 ( ) 行中三次或多次将导致一行扩展段落宽度的行，这可能不是你想要的。

Here's how to customize what you see on the Start menu and taskbar: To see a list of your apps, select Start , then select the arrow next to All apps to expand that pane. Scroll through the alphabetical list.

To open the On-Screen Keyboard. Go to Start , then select Settings > Accessibility > Keyboard, and turn on the On-Screen Keyboard toggle. A keyboard that can be used to move around the screen and enter text will appear on the screen. The keyboard will remain on the screen until you close it.

极小部分人可能会在看到特定视觉图像（包括可能出现在视频游戏中的闪烁效果或图案）时出现癫痫症状。甚至没有癫痫史的人也可能具有一些可能会在玩视频游戏时导致“光敏性癫痫发作”的未确诊症状。

Get steps for connecting a Miracast wireless display. If pressing the Connect button in the action center doesn't find your device, try the troubleshooting steps provided at Fix connections to Miracast wireless displays.

A list of Excel training, from entry level to advanced skills, plus templates and other resources.