Make sure you have the 
tab open.
Find the 
function at the top centre of the screen.
Select an option from the drop down menu next to 'Select interface'.
Click 'OK'.
To see what the new interface looks like use the 
or 
function.
View or change interface options
Make sure you have the tab open.
Find the function at the top centre of the screen.
Select an option from the drop down menu next to 'Select interface'.
Click 'OK'.
To see what the new interface looks like use the or function.