Blizzard has updated the Heroes of the Storm page with exciting news that the "tech alpha" will be happening soon. The pool of testers will be fairly limited but signing up for a potential spot is as easy as visiting a Blizzard account page and opting in for testing.
So, how do I get in?
Contrary to popular belief, surrounding yourself with lit candles and shouting “Tech Alpha” into the mirror three times will not grant Alpha access, but it may amuse your family members. No, the only way into the Nexus is through an official email invitation from Blizzard Entertainment.
In order to give yourself the best chance at gaining access to testing in the future, you’ll want to make sure you’ve opted in to Heroes of the Storm testing using the Beta Profile page found within your Battle.net Account. When prompted, you’ll need to download and run the System Check tool in order to attach your computer’s specifications to your profile and then check the Heroes of the Storm opt-in box
Read more on the Heroes of the Storm page.