Explain at least to someone how to open races!!!, how to open them all??, how to do this, I have been looking for this in the game for a long time and have not found anything.., help

я нашол , што сложного било сказать как ето зделать..

ENG: You Unlock the races in the tech tree There is a drop box That Can Be Opened From There Select Races

RUS: Вы разблокируете гонки в дереве технологий Существует окно, которое вы можете открыть оттуда Выберите расы