Hi Rudy,
Does one has to enroll at you university? It says the course is gratis, but aren't there any other costs?
Education in Sweden is gratis. So no, there are no enrollment fees or other costs of any kind.
I do find that 7.5 ECTS points is very high. A big course here at the University of Ghent is about 6-7 points.
That's very interesting. A normal course here is 15 ECTS, with the big courses at 30 ECTS. This is a comparatively small course of 7.5 ECTS credits, which in Sweden means about 5 weeks of full-time studies (this is part time, so it's 10 weeks).
Jonas