i know this is pretty much a dead thread, but i keep getting the java error even tho i have the most up to date java. some of the instructions didnt really make sense, is there a video somewhere that actually shows step by step?
What you will have to change are probably java to the latest update, jre1.8.0_25 are the most updated one. The second thing you would need to change are where you installed your game, just find the folder and "copy adress with text". Dont change anything else other than -DTW.language=3 for your own liking. The "3" = English, so in your case, you shouldn't.
Other than that, keep all the files from TWEditor together!