If you already have a Guild Wars 2 account and would like to upgrade it, you must apply a serial code to the account. 

To apply the code, simply follow these steps:

  • Go to and log in to your account.
  • Click “REDEEM A CODE" and enter your serial code in the box provided.
  • Click “SUBMIT” and you’re done!
  • Log in to Guild wars 2.
  • Open the Black Lion Trading Company dashboard (Or type "O" in game , by default).

  • Select "Redeem Code" on the upper left of the gem store 

  • Follow the on-screen instructions to redeem your code. The gems are delivered automatically when the code is redeemed successfully.