You can also

Change the MIDI output device, so that you can use an external sound module (e.g. via USB MIDI cable)

Copy MIDI and words files from one folder to another
Display the words while the file is playing (Static, not KARAOKE style).

Notes:
Do NOT use the K - Karaoke button, it needs a specific Karaoke program to be installed.

If you select the X - Words option, you must then also click on PLAY on the new form. This is to give you time to adjust the font before playing the song.