this page now and register for a chance to opt in. Two helpful reminders:
- Registering for the beta does not guarantee you a chance to play. It just adds your name to a pool of potential players that Blizzard will choose from.
- Beware of e-mail scams. This is the official URL: https://www.worldofwarcraft.com/account/beta-opt-in.html
[Via WoW Insider]