Fill out the form and there is a button that lets you choose which class you want, with previews of each weapon. Surprised you didn't actually just fill it when you first made the character.
Reading of what? In game it doesn't say that you'll get anything after filling it, it could suggest class aswell. 1/10 troll, for effort.
I was right, reading is too mainstream for you. Here, I'll help you: In case you can't read after all, here, I've read and recorded it for you: http://vocaroo.com/i/s0jZc1uXT3aA