If you want to settle in New Zealand long-term then you will need a resident visa which entitles you and your  immediate family to live and work here permanently.Current immigration policies allow pathways to residence through study, work and investment. Skilled worker qualify for skilled immigrant Category. Residence option are also available to partners of New Zealand Citizens and residents.Your parents may also qualify for one of the parent category options. Click here to check if you qualify for residence visa in New Zealand is one of the categories given below.

Residence Visa Skilled Migrant
Work to residence
Partner of New Zealand Citizens and Residents
Parent Category Residence visa
Parent retirement Category Residence visa