Vortex Wars

Hello,
How and Where to translate language in games, i want translate game language on polish for my dad
game title: "Romance of The Three Kingdoms XI"
ge do not know english too much, and game is very hard, a lot of settings, buttons, orders... I want translate it for him, but i do not know where
If i open files in notebook, ad edit it here (if possible) and save it, game will still working?
If not, so where to translate games (program)?
How to do it to everthing was ok
If somebod can help, please reply

You can't translate game unless the game directly supports it and there are text files with all string somewhere. 99% games does not support that

Thanks, that bad info for me