Here's a friend code for free in game reward
Code: YNC5X3FX
JKCR9TVH (this one might still be active as well)

You must own FFXIV and enter the code before purchasing your first subscription.

How to register code:
1. Log in at Final Fantasy XIV: Mog Station
2. Click Manage Service Options.
3. Click Enter Recruitment Code.
4. Enter the friend code.

Have a great time with the game!! Cheers