To sign-up for the free NoteCaddy pre-release beta, please let us know the email address and registration code associated with your PT4 (*).
The email address and registration code associated with your PT4 can be accessed within PT4 as follows:
File menu. Help -> About PokerTracker 4
NoteCaddy for MacOS is not supported at this time.
The About PokerTracker window will show Registered to: Your Name / Your Email / Registration Code. Enter your email and registration
code as listed here.