From the Home screen, drag down the Notification panel.
Drag down the Quick settings panel.
Tap the Settings icon.
Scroll to System.
Tap System.
Tap Languages & input.
Tap Languages.
Tap Add a language.
Select the language you'd like to use.
If neccessary, select a region to associate with the language of your choice.
Drag the language you'd like to use to the top of the list.
You've completed the steps!
