The tips below are my own view on what is important to do when deciding to move to Norway.
You MUST learn the language in order to survive, to get a good job, to enjoy social occasions and understand the environment around you. Everything relies on you understanding.
Please don't decide to move to Norway because you can just "claim state benefit". Go there because you want to live in Norway and live life as a "Norwegian".
Immerse yourself into the Norwegian culture and don't compare it to yours, as otherwise you will see "faults" in something which is just a difference between the peoples.
They say that the first two months after moving to a new country will make you decide whether to stay there or not. It will take years before you feel truly comfortable. Give it time.
Experience as much as possible during your time there. Don't just sit indoors watching tv as you never know when the experience might come to an end and then its over.
Its best to move during the summer months as moving during the winter will be more difficult due to the climate. Also, the cold winter months could affect your mood in a negative way.
Make sure to find work, not only for monetary reasons but also to help make friends and learn more about the country, people and customs. Be prepared to do any work you are offered.
Do your homework about the area you want to live in. Living in the wrong area could bring you down and drive you away sooner than you may have wanted.
Having a positive attitude towards the move and the country as a whole is extremely important. Be enthusiastic about this new change of lifestyle and experience to come.
Give it 100% of your own effort and don't rely on others to make it work for you as otherwise you will fail. However, try to have a plan B, if things don't turn out like you had hoped.