But now it seems that requirement has been lifted, as clicking that button immediately downloads the software.) (Curiously, when I did that a little earlier today, I was directed to a page where I had to create an account prior to downloading the installer. If not, you can sign up for one after downloading the installer, which you do by clicking Play Free Now on the Starcraft II home page. Starcraft II is available for both Windows and Mac, but before you can get it, you'll need a Blizzard account. Meanwhile, you can play co-op mode, with free co-op commanders up to level 5 - and that includes Terran commander combo Mira Han and Matt Horner, who are debuting today as part of the free-to-play launch.įinally, if you already own Wings of Liberty, you can get a free digital copy of the expansion pack Heart of the Swarm - though have only until Dec. You can access the Ranked Multiplayer ladder by completing 10 'First Wins of the Day' in Unranked Multiplayer or Versus AI modes. You also get access to all multiplayer units in the Unranked Multiplayer and Custom game modes.