使用 Windows 中的“设置”应用通过蓝牙发送文件。

If you are having trouble with your microphone features, the following information can help you troubleshoot and resolve issues.

Find out how to stop your screen from flickering after the upgrade to Windows 10.

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

Learn how to troubleshoot Windows activation errors. Browse common activation errors and learn what you can do to fix them.

You can refer to the contents of cells in another workbook by creating an external reference formula. An external reference (also called a link) is a reference to a cell or range on a worksheet in another Excel workbook, or a reference to a defined name in another workbook.

Make the everyday easier with Windows 11. When there's a lot to do, Windows 11 helps you get it done. With intuitive navigation and new multitasking tools, it brings you the performance you want and the security you need.

Learn how to use the taskbar features in Windows. Hide the taskbar, pin an app, change the location, and more with taskbar settings.

Learn how to turn on device encryption, or standard BitLocker encryption in Windows.

Learn how to download, install, and configure additional language packs for various versions of Windows.