This appears to be the same as given away previously -- the only files newer than 2015 are some of the presets & a few installer-related files from when it was packaged [I assume] for GOTD last month. Other than the program's folder, presets etc. are stored in Users\ [UserName]\ AppData\ Roaming\. It creates & uses one registry key under Current User, though in my Win11 VM it caused a rewrite of the registry's driver database for around 50k new entries. If you're interested in this sort of thing you might find some interesting similar apps here:
aiartists[.]org/fractal-art-generators