After Registering your Account, you will be provided with a 20 Digit Serial Key.
You need to enter the Game and Locate the nearest Guard NPC. These NPC's can be found Guarding the Town near the Gates in both Quanato and Temoz.
Click on them and enter the 20 Digit Serial Key. Once Done, you will receive your Gift from the Guard
Gift that you will receive:
15,000,000 Woonz