There was a forum from 2017 on changing font (see below). Do you have an updated version of this "for Dummies" or a YouTube video that I can follow to duplicate?
Also, do you have a webpage that shows the various export formats? Are there non-.hde formats that you can download and edit?
Thanks!
"To use, you need to launch HD from the command line (or create a batch script) with the following:
javaw -jar HD6.jar [font size]
for example, the following would set the default font size throughout the application to 18pt:
javaw -jar HD6.jar 18