Razer deathstalker HELP

today i got razer deathstalker. and my question is some here know if its safe and easy chnge keys? or if is disassemble the keyboard remove the keys and place on another place?because im from EU and the keyboard is NA. 

Its chicklet. So i'm assuming its the same as any other chicklet, membrane keyboard. I haven't taken mine apart, so I can not be sure, though.

already chaged some keys :)