How do I translate my game???

[thunderhead-BR]

Hy gentleman,

I recently buy a license code for my steam account and recyve the game in russian language, so how can i change the language to english? Is that possible?

I really can wait to start playing multiplayer games, but beyound being Brazilian I do not know anything in Russian, so please if you guys could help me with such problem i go to be been thankful!

One more thing, sorry about my english