What you need to do:

Register a Square-Enix Account

Go to FFXIV Mog Station, login and click on "Enter Recruitment Code."

Enter the CODE ( P2GFJAU4 ) and follow the directions.

Awesome stuff you get:

A Friendship Circlet (20% EXP bonus, if your character is below level 25)

99 Aetheryte tickets (Free teleport between aetheryte stones)

Fistbump/Brofist emote

10 silver chocobo feathers (Trade to the Calamity Salvager NPC for special gear)

Recruitment code must be entered before purchase of a subscription or game time card.

Bonus items cannot be obtained if a subscription has been purchased prior to use of a recruitment code.