You'll need Lenny's Mod Loader. Get it here and follow their instructions, if you haven't already.
https://www.rdr2mods.com/downloads/rdr2/tools/76-lennys-mod-loader-rdr/


Drop your desired version (dynamic/busted/impeccable) into your "lml" folder, and we'll be in Tahiti in no time!


- Tahitian Mango