The Norwegian Directorate of Immigration (UDI) has issued a set of fact sheets that will help you out. They are published in several languages and cover the following areas.
Visa - gives the holder permission to travel to Norway and the Schengen area for up to three months. Application Form
Work Permit – entitles the holder to work in Norway. Different rules apply to nationals of different countries and to with people with different occupations - Read more and application form
Asylum – a person may have a right to asylum in Norway if he or she has a well-founded fear of persecution in his or her country of origin - Read more and application form
Settlement Permit – entitles the holder to live and work in Norway permanently - Read more and application form
Family Reunification - means that a family member living abroad is allowed to come to Norway to live with one or more family members who already live here or intend to live here permanently - Read more and application form
Citizenship- affiliation with a state with rights and responsibilities vis-à-vis that state - Read more and application form
Residence Permits for Students– a foreign national who wishes to study in Norway may be granted a residence permit for this purpose - Read more and application form
Click here for the fact sheets
If you have any questions regarding the rules, you can contact the Norwegian embassy or consulate nearest you, or check UDI’s website: www.udi.no (see the top right-hand corner for different languages).