Follow the instructions.
Download the digital issue of pcgamer from
https://mega.co.nz/#!mEYjlZwT!ZWgFTh...ikdBndZd_RSLkI
Then go here
http://promo.pcgamer.com/Neverwinter/ and fill out your details plus answer the question as related to the digital issue. Usually something like "what is X on page Y".
Works fine and have gotten 2 codes this way."
If you cannot be bothered downloading the digital issue of PcGamer then you can just keep refreshing the page till it asks a question relating to the top 10 downloads. Answers to follow thanks to Sheez. All answers should be in lower case only.
Top 10 downloads from 1 to 10 are
back to school
xcom
maldohd
atum
ascension
no, birdie, no!
designed for danger
major hertz
gamemaker studio
typing karaoke
The first email you receive is to confirm your email address. The second one will have the actual beta key in it.
I suggest just refreshing till you get that question!