If you didn’t get it early with your pre-orders, you can now download the Left 4 Dead 2 demo on Xbox Live, and on Steam/PC. The demo is played in “The Parish” campaign, set in the New Orleans French Quarter. You can play 1 to 4 players over local or Internet connections on both the Xbox 360 and PC (with two-player split screen available on the Xbox 360). The game is out for the 360 and PC November 18th.