ColorThink 4 Product Registration

Please register here to obtain your ColorThink 4 serial number.

Note: Once you have entered your username and platform choice and clicked the "submit" button your platform choice will be permanent and your serial number will be issued to you.

Your username is encoded into the serial number and both the username and serial number will be required to unlock the software.

(starts with "CT4ph...Auth" OR "CT4pro...Auth"
"..." may contain additional characters)

Mac
Win

Note: this choice is permanent. Once your serial number is issued the platform cannot be changed.
spaces OK, no numbers or punctuation please