You should start your application process at least 8 to 12 months in advance. There are different ways of getting your application form:
Online Application: Many universities prefer online application. You can directly apply online or download the form and send it via email.
Requesting form via Email: You can make an online request for your application form through the university website.
Academic Year: Academic year in New Zealand is different from that in the US or the UK. Being the southern hemisphere, the academic year starts from February and ends in November.