Thank you Carbide 3D Team for the opportunity to give this a try!
For those having trouble with email, you can skip the email by just downloading the trail code file.
Login, already covered in this thread, make the request and you’ll see this screen:
In the bottom right, you’ll see a link to view the file where you can save or view it. @Julien has previously posted instructions , above, which are:
Open Carbide Create, click “Help” then click “Register” and paste the trial registration into the window.
Close and reopen Carbide Create and you’re done!
EDIT: If anyone see an issue with these instructions, please let me know and I’ll make corrections.