NETWORKDAYS.INTL 函数语法具有以下参数：. start_date 和 end_date 必需。. 要计算其差值的日期。. start_date 可以早于或晚于 end_date，也可以与它相同。. weekend 可选。. 表示介于 start_date 和 end_date 之间但又不包括在所有工作日数中的周末日。. Weekend 是一个用于指定周末日 ...

Find settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings . From there, browse the categories or use search to find what you're looking for. Most apps have their own settings. In the app, select Settings to make app-specific changes.

Windows 11 可以在满足最低硬件要求的电脑上运行。 它可能预装在新电脑上，或者可以升级目前运行 Windows 10 的电脑。 从确保设备可以运行 Windows 11 到备份文件和安装 Windows 11，了解如何为 Windows 11 升级做好准备。

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

如果你遇到声音或音频问题，以下建议可能会有所帮助。 提示按顺序列出，因此请从第一个开始，查看它是否有帮助，如果没有帮助，则继续下一个提示。 了解如何修复 Windows 中的声音或音频问题。

Open Control Panel in Windows. Windows 10. In the search box next to Start on the taskbar, type control panel. Select Control Panel from the list of results. Note: Many Control Panel features are simpler and faster in Settings . Open Settings.

Go to Settings and more > Settings > Profiles > Passwords . Next to the password you want to change, select More actions , and then select Edit. When prompted, authenticate yourself to the operating system to get access to the password information. After you successfully authenticate yourself, in the Edit password dialog, update your password ...

Press and hold (or right-click) on the app, then select Uninstall. Uninstall in Settings. Select Start > Settings > Apps > Apps & features . Find the app you want to remove, select More > Uninstall. Note: Some apps can't be uninstalled from the Settings app right now. For help uninstalling these apps, follow the instructions to uninstall from ...

Do one of the following: On the taskbar, select the Network icon. Select the Bluetooth quick setting to turn it On or Off. Select Start > Settings > Bluetooth & devices, then turn Bluetooth on or off. Note: The Bluetooth quick setting only appears on your system when Windows detects a Bluetooth adapter. Open Bluetooth & devices settings.

Find out how to submit a request for a refund for a purchase of digital Xbox content.