For an expanded guide with pwetty pictures check sourceHow to:
1) Register on Battle.net
2) Authenticate your account
3) Make Sure You Added a Game
4) Download System Specs Checker
5) Upload System Specs
6) Update Beta Opt-in Preferences
In this case I'm just a spotter, can't guarantee anything (I don't own a Blizzard game)
But they are starting the BETA next week.






