Scroll down to English (New Zealand), expand the Keyboard options and click Show More. If it already says English (New Zealand) - Māori, then it's already set up.
Click Start > Control Panel > Clock, Language and Region (or Region and Language).Setting up the Māori keyboard on your Windows computer Windows 7, 8 Typing with macrons on a mobile device ( iOS/Android).Changing your Windows system language to Māori.