Learn more about the Start menu, including how to find your files and get to your apps and programs.

Find out how the Windows location service works and how to change the location privacy settings.

Use widgets to stay informed and entertained on Windows 10. Find out how to customize and access the widgets board.

Learn how to share files in File Explorer on Windows 11 or Windows 10 using OneDrive, email, or nearby device.

了解如何使用设备管理器更新Windows中的驱动程序或重新安装驱动程序。

This article describes the formula syntax and usage of the NETWORKDAYS function in Microsoft Excel.. Description. Returns the number of whole working days between start_date and end_date.

Smart App Control is a feature of Windows 11 that helps to block malicious, untrusted, or potentially unwanted apps from running on your device.

Find out the steps you can take if you receive a message telling you a driver can't load on your device.

了解如何在电脑或 Mac 上安装、重新安装或激活 Microsoft 365 或 Office 2019。

Summary. Microsoft Update Health Tools is offered to devices through Windows Update as update KB4023057. This update is applicable for both Windows consumer and commercial devices, with a slightly different purpose and functionality.