EXS 24 Logic Sampler Users Group

hi i have bought Emagic Logic express 6 and icomes with virtual 
instruments and i am using them but i sign has appeared every time i 
open logic saying unless i get the access codes they will expire it 
says to register at emagic but i cant find where unless i bought 
EXS24 seperate how do i get the codes of is the ones suppplied with 
logic 6 like trail ones

cheers ben