thx for ur fast reply. so, my problem is i bought the kit in july 2010 or so. i do not remember where the serial was... and on that ageod-shop page i cant register or so or find anything usefull... i have purchased the original game from gamersgate and the upgradkit from here! than enjoyed this game very much. but i had to delete it. so, and nowadays i wanna play it, and it doesnt works.