Quote Originally Posted by Mando Knight View Post
You can't download it yet, it's in the last phases of beta. You can buy the NEMESIS bundle, which I believe gives you Early Access, however.
Refrain from buying the bundle for now. Unless you like the exclusive cosmetic items, you'll have an easier time just outright unlocking the mechs.

I speak from experience; I have a couple hours in, and six (maybe five? Seven?) mechs total.