Recruiting a Friend assistance please.

[Mogbranth]

Once he has registered the account (use the game's CD key), log into mog station. There will be a button above his account info (they're grey and rectangular) that lets him apply a code. This can be done any time BEFORE a subscription fee is paid, but not after.

This is where your friend should look for the button:

Awesome! thank you very much for this information and the picture as well, we will check there once he does the registration. Thank you very much once again, much appreciated.