You can register for a chance into early access here: Early Access
You can also snag yourself a key from Alienware or Intel Gaming Giveaways!
If you are interested in seeing this game in TAW, be sure to fill out the Vanguard Interest Form!
If you wish to know more about the Beta, visit this link: Beta FAQ
You can find more info about the game here: Back 4 Blood Official Site
Oh, just a heads up, any code you redeem, gives you up to 3 invites that you can send to friends. So be kind, and share the zombie killing love!
Use this link to redeem your Back 4 Blood code
https://www.back4blood.com/?WBGHCode=GCR9YQF8A
https://www.back4blood.com/?WBGHCode=GCRT368PV
https://www.back4blood.com/?WBGHCode=GCRK9DDRF
Good luck and have fun.
Let's share the love! Anyone using a code the OP also have 3 friend invites they can use
Invite 1
Invite 2
Invite 3
Cheers Elite :D