You don't need one. Just do what's written in the OP:Activation code?
Read how to run Japonese gamesI got this when trying to run it, anyone know how to solve?
mine is already set to jp locale. Other games works fine but not this oneRead how to run Japonese games
https://f95zone.to/threads/how-to-run-japanese-games-on-windows.1040/
still looking for solutionI got this when trying to run it, anyone know how to solve?