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 ...

注意: 如果是通过以下任一方式获取的 Microsoft 365：Microsoft 工作区折扣计划(以前称为家用许可计划)，则安装 2019、2016 或 2013 版的 Office 专业增强版、Office 标准版或独立应用（如 Word 或 Project）的步骤可能会有所不同：如果你通过公司购买了 Microsoft 365 供个人使用，请参阅通过工作场所折扣计划安装 ...

Get started with Copilot in Windows To get started, press + C, or use the Copilot in Windows icon located on the right end of the taskbar.If you want to show or hide the icon from your taskbar, right-click on the taskbar then select Show Copilot (preview) button to clear the checkmark from the option.. Copilot in Windows isn’t currently supported when your taskbar is located vertically on ...

Contact Support. For technical support, go to Contact Microsoft Support, enter your problem and select Get Help. If you still need help, select Contact Support to be routed to the best support option. Learn about what effect closing a Microsoft account might have on your other apps and services.

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 ...

Select the Network, Sound, or Battery icons ( ) on the far right side of the taskbar to open quick settings. The Disconnected icon appears when you’re not connected. On the Wi-Fi quick setting, select Manage Wi-Fi connections . Choose the Wi-Fi network you want, then select Connect. Type the network password, and then select Next. Fix Wi-Fi ...

Recovery options in Windows. To reset your PC, go to > > > > > . Then, select , choose cloud or local, change your settings, and set to . Open Recovery settings. In versions of Windows 10 prior to version 2004 this feature was called and to use it you'd select > > > > . Under , select > . Fresh Start in Windows 10 lets you perform a clean ...

Select the button above to get directly to Settings, or follow these steps to set up Windows Hello. Select Start > Settings > Accounts > Sign-in options. Select Facial recognition (Windows Hello) to set up facial recognition sign-in with your PC's infrared camera or an external infrared camera. Select Fingerprint recognition (Windows Hello) to ...

Windows 10. In the search box on the taskbar, type device manager, then select Device Manager from the menu. Open Device Manager.

Supercharge your creativity and productivity with a premium Copilot experience. Download the Copilot app for a 1-month free trial of Copilot Pro. Get the Copilot app. 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.