First of all, I have just purchased a iMac and I tried installing my Logic Express 9.0 and it won't work. Gives me an error message. I searched the internet and found i need to update it to run with Lion. Tried to download but my SerNum doest work. Help?

Can anyone help me please. I tried installing my Logic Express 9.0 but it states I need an update. Ok.. great. So i tried to download it via apple.com but my serial number doesn't work. I can't even schedule an appointment with them because I am in Italy now. Can anyone show me how I can fix this proble. Either download the update thtat allows my iMac to run Logic express 9 or get apple.com to help me. Either or would be appreciated.! Thank you!