Thank you all for the comments and help! I did find the way to start a ticket with Battlefront and received these instructions from "John'
at the help desk:
''Comment by: John Costello Hi Michael, Unlicense before uninstalling. And if you do end up messing something up I can always reset your keys if you send them to me. So, don't stress it. :-) Thank you for your support! John ''
My thanks to all here who have provided some instructions. I think I'll be able to do this.