For me, TWoS is simple, and the easiest, though it does change the games behavior a bit. But it is easy enough to alter a few things after the mod installation to "personalize" things a bit more for you - and it gets rid of most of the inherent bugs. There are good instructions in the release thread, and a downloadable pdf for a bit more detail. If you have a Steam game, be sure and follow the Steam instructions. If you have a UConnect game, follow THEBERBSTER's advice in
Uplay Download Version Fix... (UPlay is now UConnect) - in fact, that whole
SH5 <> TUTORIALS <>HOW TO DO IT <... thread is full of useful info for us incompetent or for the fully qualified kaleuns, all linked to on the first page of the thread...