You have a full unrestricted use of the program using the Demo key so no rush. If it doesn't turn up in the next few days I thing you can assume it hase dissapeared into the internet blackhole.
What is the email domain you used?
- don't show your full email address just the domain part, perhaps it is one that uses its own auto blocker.
If after a few days it hasn't turned up, reregister, use a diferent email address if you have one.
