If you need to convert music downloaded from NetEase Cloud Music to mp3 format, you can follow the following steps to operate on a Dell computer under win10 system: First, open the NetEase Cloud Music application installed on the computer. Find and click the toolbox icon in the interface, usually in the upper right corner or in the menu bar. It may appear as a gear or other tool icon. Then, after entering the toolbox, find and click the format conversion option, which will open the file conversion interface. In the conversion interface, click "Add File" to select the qmc0 format music file you want to convert. After selecting the file, click the "Open" button and the file will be added to the conversion list. Finally, make sure the mp3 format is selected, then click the "Convert Files" button and wait for the program to complete the conversion process. Once the conversion is completed, you can find your mp3 format music files in the specified folder.