Fedora works the same as suse in that regard and I'm gonna be honest it's not a huge secret. If you search "what to do after installing fedora" there's 300 listicles and "install nonfree repos" is like #3 after change hostname and update your system, and they just give you the commands/tutorial for all that. I imagine suse is much the same.
Though I do think Fedora now has an "install nonfree repos" checkbox on install, but it wasn't like that until like ver 40.