Travelling to and living in a (initially) foreign country involves many challenges. As a rule, a different language is spoken and the culture in the new country is likely to differ from that in your home country.
Many support options exist in order to make integration in Germany easier. You can participate in the so-called integration course, for instance. Or you can seek assistance from one of the many counselling centres that can help you organise your life in Germany.
You can find an overview of the support options on the following pages.