Here is a table of frequent issues with the experience:
Emulators themselves are legal, but downloading commercial ROMs without owning the original game is piracy. For the best experience without legal concerns, consider playing Catherine Classic on Steam, or playing Full Body on original hardware (PS4/Switch). catherine full body pc emulator
If you absolutely need Full Body on PC, use Ryujinx with a legally dumped Switch copy. Otherwise, the native Catherine Classic on PC offers a very similar experience (missing only Rin’s route and a few cutscenes). Here is a table of frequent issues with
Here’s a clear, informative breakdown: consider playing Catherine Classic on Steam
To emulate Catherine: Full Body , you need two things: