Tip: Add background music to the folder.

In order, click the right mouse button in the blank space of the folder → customize the folder → select 'Create or edit HTML document', click Next, the system will automatically Pop up the Folder.htt file opened with Notepad, find the code in the file, and add it below:

Note: "loop=1" means play once, and -1 means loop play.

The next step is to save the file and exit the edit state. Press F5 to refresh under the file, you can hear your favorite music.

Note: We use the WAV file format when selecting background music. If you use MP3 files, you must first convert the MP3 format to WAV format using the software before you can use it. And such a lot of software, the operation is very simple, no longer talk about here.