If you wish to settle in Norway for above 90 days, you should apply for long-term visa, such as Student or Work Permit and Family reunification.
You must have lived in Norway for the past 3 years with a valid residence permit for a Norwegian Permanent Residence Permit. In the past 12 months before applying, your annual income should be above NOK 296,550. Qualifying the Norwegian language test and no criminal records are required for a permanent residence permit of Norway.