Dear CADian I have re-install OS so i need to register again. CADian 2008 S/N : I14-40OG-Z9J6FQGB Previous interim code : I can""t remember. New interim code : CDKGC0CBCLCVHRD2LSHK Company : Interhides Public Company Limited And one more question, for my version of CADian can I free upgrade to CADian 2008i. If I can how can I do it. Thanks.