Hi and welcome to the forum!
I'm not sure your question was answered earlier, because you MAY have been asking something different than Lars or BlackSTX thought.
There are several ways to get the serial number and hex code to Bill. You can include them in a PM to Corey, and make sure the PM has your full name on it too (not your screenname), so she can record it properly. You can edit the details in your UserCP - fill in everything here. And, you can download and install Pegasus and then using Help->Registration, fill in all the details so that Pegasus can upload them to PHP's server. I'd actually do all three - nothing like a bit of overkill to make sure things really got done!
If your question was how to "get" the information in the first place, here's what I'd do: Turn your truck's ignition to ON, and then hit the [Menu] key on the Gryphon. Go to Diagnostics->Version Info and ignore the "warning message". When you press [Enter], you'll see your Model Number, Serial Number and Device Type. Press [Enter] again and you'll see your HEX code - a 7 character string followed by ".HEX". Just to confuse things, this is sometimes referred to as a "Calibration Code".
Hope this helped and didn't confuse you.
- Jack
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2024 F150 Platinum SCrew 3.5L PowerBoost FX4, Peragon Tonneau Cover, LineX Bed, 35% Window Tint on All Sides and Rear, Full Nose Paint Protection Film, Husky Mud Guards, Lasfit Floor Liners, VIOFO Dash Cam