4.
Once you have finished the installation process, log into the Square Enix Account Management System and register your expansion content. Please access the following page using your internet browser.
https://secure.square-enix.com/account
5. Once you are logged in, click on “Select Service” under “Services and Options” and then choose “PlayOnline / FINAL FANTASY XI”.
6. Click on “Add a service account.” When prompted, enter your FINAL FANTASY XI: Seekers of Adoulin registration code provided in this purchase confirmation email.
7. Select the service account to which you would like to register your expansion content. If you have multiple service accounts (PlayOnline ID) linked to a single Square Enix account, you must choose which service account you wish to register your expansion content.
8. You are now ready to play FINAL FANTASY XI with the expansion content of FINAL FANTASY XI: Seekers of Adoulin.
i. If you are already logged into PlayOnline or FINAL FANTASY XI, please log out. Logging back in will enable the expansion content you registered.