[@Joe]
To get your 3 letter code , click the get key on the bottom left of the box. It shows up when you hover your mouse over it.
Put in your personal email… not the giveaway! That is used later in the registration.
Then click to send , it will say submitting.
Then you will get a 3 letter code.
After that follow the rest of the instructions that were posted on the free give away page.