1) If you plan to study in Germany, the first step is to gain admission to a German university.
2) You must then submit an application for a student visa to the German Embassy in your home country. You must also submit verification from your university that you have been accepted.
3) The German Embassy will then forward the visa application for an opinion to the foreigners' authority in the town of the university.
4) The German Embassy will issue the visa for entry once the foreigners' authority has given its approval.
Investment and Self-Employment visas:
You are eligible for this type of visa if you invest one million euro and create ten new German jobs
You have the same rights as German citizens, whatever type of company you are establishing.
You do not need a German associate or guarantor.
After the business has been established for three years, you and your family may receive unlimited residence permits. These will allow you to enter Germany any time you wish.