First you need to look into the regulations of the casino of Norway https://casino-online.no/ and read the user agreement. Take into account the list of countries whose residents are denied registration by the casino. In addition, there is a possibility that you may not meet some other parameters. The first thing you will have to do at the start of registration is to fill out a small questionnaire. As a rule, you need to specify some data about yourself there.
Some casinos immediately request the most complete information about a new client, while others allow you to do without details. Most gaming platforms on the Internet have the function of registration and authorization through popular social networks. Try writing to support. Technical specialists are obliged to respond promptly to incoming questions and offer all possible solutions to the problem.