http://store.steampowered.com/steamos/
http://store.steampowered.com/steamos/buildyourown
http://steamcommunity.com/groups/steamu ... 741989999/
Make sure that if you choose to install it, your target computer or virtual machine is not in use as the installation will format your drive in the process. It also recommends that you have a 1TB drive or larger, even though the minimum is 500GB.What are the SteamOS Hardware Requirements?
Processor: Intel or AMD 64-bit capable processor
Memory: 4GB or more RAM
Hard Drive: 500GB or larger disk
Video Card: NVIDIA graphics card
(AMD and Intel graphics support coming soon!)
Additional: UEFI boot support
USB port for installation