Be wary, people are selling/tradeing preorder/prepurchase codes, which are not the full game
5 days after the 28th, sunday september 2nd you will not being able to log in without a full retail code, which arent provided
until the 28th. there is no indicator on the website other than in the faqs, for this which is why most people do not know.

Many people have been scammed, and this topic will likely be buried, but if the mods are paying attention, please make a sticky version of this
so no one else gets duped.

PROOF
https://www.guildwars2.com/en/news/dont-forget-to-pick-up-your-retail-box-and-serial-code/