Originally Posted by vintagegames
The login and episode screens are still in German, though, although I downloaded the English version of the game.
If you have a German windows, that's caused by a missing registry key. I have posted reg files to fix it here
It depends on your Windows Version though. If you have Vista, you can give the Win7 Reg file a try. No harm in trying, since you can just remove it again with the appropriate removal file.