Change Keyboard Layout

Open Control Panel

Double click on the 'Regional and Language Options' Icon.

In the 'Standards and formats' pull down menu, select 'English (Australia)'. Press 'Apply' and 'OK'.

On the bottom right toolbar, right click on the language icon and select 'Settings...'

In the 'Default input language' pull down menu, select 'English (Australia) - US' and press 'Apply'.

In the 'Installed services' window, select 'EN English (United Kingdom)', and select 'Remove'.

Press 'Apply' and 'OK'.