How can i change the language from german to english in train simulator?

pls help me! when i install the game, some error in german pops up at 33%. how do i chg the language! if not possible before the installation, how to change it after u install it?(suppose i already installed the game, and it runs in german language)How can i change the language from german to english in train simulator?After the game completely starts up and starts running...go to the options menu, click more options, and then go to language. Set your language from German to English.