SteamOS: How to Install & Demo
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My SteamOS install tutorial and gameplay demo!
Download SteamOS: http://store.steampowered.com/steamos/buildyourown
When you get to the Terminal step, enter this command: ~/post_logon.sh
Now that Valve has released Steam OS it's possible for you to build your own Steambox / Steam Machine with a custom PC. You will need an Nvidia graphics card, a 64-bit ready AMD or Intel processor and at least 4GB of RAM. It's a bit of a complicated install process however this tutorial walks through it step by step as well as giving a demo of gameplay with Metro: Last Light and Left 4 Dead 2.