Suppose you live in a non-EU/EEA country and travel to Sweden for education. In that case, you must apply for a student visa or residence permit to study in Sweden.
Sweden Type-C Visa: If you plan to stay and study in Sweden for less than 90 days, you must go for a Type-C visa or Sweden student visa.
Sweden Type-D Visa: If you are planning to stay and study in Sweden for more than 90 days to complete your studies in Sweden, you will need a residence permit.