There are many options for Norwegian students (or potential students) who would like to take all or part of their degree in Japan.
Student exchange by institution
If you are a student at a Norwegian university already, or would like to take most of your degree in Norway, a natural first step to Japan could be to check out the already existsing exchange agreements of your institution.
Your institution might have systems in place that will make your experience easier. Their international office will most likely be happy to answer your questions, put you in touch with previous students, and so forth.
The following institutions all have exchange agreements already in place, and could help you start your journey to Japan:
Full degree in Japan - in English
Doing a full degree in any foreign country where you have not mastered the language might seem daunting, but it can be an incredibly rewarding experience.
The number of English-language degree courses in Japan is increasing, and you can find information about many of them here:
The Assocation for Norwegian Students Abroad (ANSA) is a large interest organization by and for students.
ANSA Japan organize social events for the Norwegian student community in Japan, and act as emergency contacts for their members whenever this might be needed.
The group is run by volunteer students with invaluable first hand experience as degree or exchange students in Japan, and they will happily help you find any answers you need regarding studying in Japan. Please feel free to ask them anything.
The Japanese Embassy in Norway
The Japanese Embassy in Norway provides information about Japan, studies and scholarships / funding for your studies.
Senter for internasjonalisering av utdanning (SIU)
The Norwegian Centre for International Cooperation in Education (SIU) is a Norwegian public sector agency that promotes international cooperation in education and research.
They run the official website for aspiring Norwegian exchange students, and their own website consolidates valuable institutional and practical information about education in Japan.