Sephiroth91

Hello, I would like to know if it is possible, as with euro/fro, to make the client multilingual that the corresponding data be loaded in the client via a simple language selection. I took a closer look at the europe client but found no hints about how to change the language. Can anyone explain or help me to do that. I've already read through some topics, but found nothing that would have helped me or gone into the settings in more detail. I use a 2013 Client