I\'m trying to change the editor color schemes in IntelliJ Idea 13.1.3 community edition to a darker theme. I downloaded this theme and imported settings through File-
It's simple please follow the below step.
Right side panel you can see Theme: and drop down with following option
just select which ever you want and click on apply and Ok.
I hope this may work for you..
I misunderstood question. Sorry. for editor - File->Settings->Editor->Colors &Fonts and choose your scheme.... :)