1. Download the square dance video on the computer.
2. Download the "Format Factory" software on your computer.
3. Open the "Format Factory" software, import the downloaded square dance video and select the format supported by the same opera machine for transcoding.
4. After successful transcoding, copy the converted square dance video to a USB flash drive.
5. Insert the flash drive into the jukebox and follow the instructions on how to read the video from the flash drive to play it.
Please note that the video formats supported by different opera players may vary, please refer to the manuals of the corresponding devices.