Ugh.
Got a working MacOS High Sierra installed on my laptop Windows PC using VirtualBox.
I even got it to read a thumb drive which had a copy of my self-contained, customized application.
But the application bombs. (It worked okay on my friendās Mac.) The application Frame and title bar text appear, but none of the controls or graphics show, and the crash point (an NPE) may pertain to the point where the application attempts to grab a line for outputting the audio. More debugging to come. I wasnāt entirely expecting it to run.
I did get OpenJDK 11 installed. And downloaded JavaFX 11 modules and jars. I havenāt tested the JavaFX part yet, and may have some difficulty declaring environment variables for their locations.
IDK yet if this is going to be helpful to have done all this. Maybe it will be possible to run the compilation and jlink commands from here and have the resulting file structure run elsewhere. That is the hope.