Install Stepmania. Got a .DLL Error? Watch this youtube video:
StepMania does not currently run on macOS 10.15 "Catalina".
Click on either Windows or Mac. (NOT CATALINA!)
Install the software (run or save)
Click on the software Icon.
WINDOWS
If you get an error message - check it. If it mentions DLL file. Then follow this youtube link.
https://www.youtube.com/watch?time_continue=1&v=c5fxzdD3tZA&feature=emb_logo
MAC
If you get an error message about note skins follow this thread
https://github.com/stepmania/stepmania/issues/1299
BIG SUR INSTALLATION
Watch this video link:
I
If you get an installation error following this thread
https://www.reddit.com/r/Stepmania/comments/kfu13c/stepmania_outfox_opening_problem_for_big_sur_111/
watch this video link.