Question [Q] ASK - Carbon-KK-hikari-Beta

I want to change my device to Carbon-KK-hikari-Beta but, i dont understand how to first i do ?
My handphoe is Xperia ACRO S
help me..

I want to join in this forum ( http://forum.xda-developers.com/show....php?t=2695623 )but i cant..
please help me..