We have updated our Community Code of Conduct. Please read through the new rules for the forum that are an integral part of Paradox Interactive’s User Agreement.
You are using an out of date browser. It may not display this or other websites correctly. You should upgrade or use an alternative browser.
You open settings.txt in your game directory (for me that's C:\Program Files\Paradox Interactive\Europa Universalis - Rome) and change language = l_#whatever# to language = l_english. You can change it back anytime you like.