Carrara 8 and Carrara 8.5, Where are the Serial Numbers Located? Read on
When you purchase Carrara 8 or Carrara 8 Pro. You are given the Carrara 8 or Carrara 8 Pro files along with the Carrare 8.5 Beta files. At the time of purchase you are given in your account a serial number for your purchase. This serial number is good for the Carrara 8 or Carrara 8 Pro Software. My Account > My Downloads (for the Software), My Account > My Serial Numbers (for the serial number for 8.0 version)
If you are working with the Carrara 8.5 Beta version you will need to use the serial number found here for the included 8.5 files. If you continue to have questions, contact customer support.