Windows 11 Windows 10. To open up your webcam or camera, select the Start button, then select All apps, and then select Camera in the list of apps. If you have multiple cameras, you can switch between them by selecting Change Camera at the top right once the Camera app is opened. Open Camera.

Here's how: In Settings: Select Start > Settings > Bluetooth & devices , and then turn on Bluetooth . In quick settings: To find the quick setting for Bluetooth, select the Network, Sound, or Battery icons ( ) next to the time and date on the right side of your taskbar. Select Bluetooth to turn it on.

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 ...

In the search box on the taskbar, enter device manager, then select Device Manager. Select a category to see names of devices, then right-click (or press and hold) the one you’d like to update. Select Search automatically for updated driver software. Select Update Driver. If Windows doesn't find a new driver, you can try looking for one on ...

使用产品密钥激活 Windows. 产品密钥是由 25 个字符组成的代码，如下所示：. 产品密钥：XXXXX-XXXXX-XXXXX-XXXXX-XXXXX. 在安装期间，系统会提示你输入产品密钥。. 或者，安装后，若要输入产品密钥，请选择“ 开始 ”按钮，然后选择 “设置 > 系统 > 激活 > 更新产品密钥 ...

Click on a photo to show the buttons at the top, including Zoom, Delete, Rotate, Edit & Create, Share, and Print. Press and hold (or right-click) for more commands, such as File info, Save as, Copy, and Set as. Open the Photos app from the button below. Open the Photos app. The Photos app in Windows 10 does the same things as Windows Photo ...

To sign in to your Microsoft personal account, go to account.microsoft.com or select Sign in below. Sign in. Tip: If you don't have a Microsoft account, you can select " No account? Create one! Enter your email, phone number, or Skype sign-in that you use for other services (Outlook, Excel, etc.), then select Next.

Sticky Notes 入门. 便笺. 欢迎便笺！. 我们仍然是在 Windows 桌面上编写快速笔记的最佳方法，但现在你也可以随身带便笺，让你可以跨应用和你喜欢的设备捕获、查找和使用笔记。. 注意: 便笺中的新功能和更新功能可能会在逐步推出的基础上发布，这意味着它们 ...

本文介绍如何获取最新版本的 DirectX 以启用系统上的游戏和多媒体应用程序。 DirectX 9.0c 通过安装 DirectX 9.0c 最终用户运行时适用于 Windows XP 和 Windows Server 2003。 某些应用程序和游戏需要 DirectX 9。 但是，你的计算机包含更新版本的 DirectX。

Windows 10. To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down.