Information on changing fonts is at:
https://forums.homecomingservers.com/index.php/topic,5157.msg40055.html#msg40055
Edit: This is for the font face, not font size. Still need the other changes outlined above for sizing.
I play on a TV and I've settled on Source Sans Pro from the Google Fonts. It is available under the Open Font License.
https://fonts.google.com/specimen/Source+Sans+Pro?selection.family=Source+Sans+Pro
I just found the link with the full details on substituting fonts so haven't played with all the options yet. I used SourceSansPro-Bold.ttf for m