activating serial codes

#1 - Oct. 8, 2013, 9:22 p.m.
Blizzard Post

I just purchased a higher edition of the game in hard copy form. I want to add the serial code to my existing account.

Where in the world do I do that? It seems my only options are open a new account

#4 - Oct. 9, 2013, 12:35 p.m.
Blizzard Post

The above looks pretty comprehensive, but here’s an article on the Knowledge Base as well: https://en.support.guildwars2.com/app/answers/detail/a_id/9048/kw/upgrade