You aren't getting any access right now. Some Alphas, MVPs and cocksucking streamers have access right now.
It's a selective process. In case you played with Neon, Octavian and the likes you already have access. Account sharing will lead to a ban.
But wouldn't it be funny if somebody leaks the client and content before the devs go on PR tour. That leads to everybody getting kicked and the cocksucking streamer gets no preferential treatment anymore
After that it will be the same as regular closed beta. Pay for access(likely 25$ compared to the 10$ in 2012), streamer giveaways(Cybrix ban 3.0 incoming) and the 11211 timer.