Generally, the maximum stay holding a Visitor Visa is 9 months. We usually only allow visitors to stay for 9 months in an 18-month period. Entry to New Zealand from all countries remains strictly controlled to help prevent the spread of COVID-19. If you are not in a Quarantine-free Travel Zone you still have to go through Managed Isolation. Yes, you need a visa to enter New Zealand. You can only apply for this document in an embassy, at least for now.