StarCraft II beta invites, but that doesn't mean that all beta invites (or any other emails that look like they are from Blizzard) are real. If you got an email saying that you have been invited to StarCraft II: Wings of Liberty, don't click anything in that email. Instead take the following steps:
- Type battle.net into your browser (no typos) and it will go to the secure battle.net site appropriate to your region.
- Enter your account info.
- Under Manage My Games, choose Add or Upgrade a Game.
- Enter the Beta Key provided in the email where it says Enter Game Key.
- Press Add Game.