SteamOS Beta is an early, first-look public release of our Linux-based operating system. The base system draws from Debian 7, code named Debian Wheezy. Our work builds on top of the solid Debian core and optimizes it for a living room experience. Most of all, it is an open Linux platform that leaves you in full control. You can take charge of your system and install new software or content as you want.
So, what is it not?
As an early release, much is changing, so expect rough edges. In its current state, SteamOS is definitely not a finished product ready for a non-technical user.
Most importantly, it currently only supports a certain set of hardware (you can read more in our FAQ). We are hard at work to expand this list.
That being said, we already use it in our living rooms. We are excited about what it is and what it will become. And the more of you do the same and tell us about your experiences, the quicker those rough edges will be sanded off.
Users should not consider SteamOS as a replacement for their desktop operating system. SteamOS is being designed and optimized for the living room experience.
Custom Installation The second method is based on the Debian Installer. It requires multiple configuration steps:
[ol]Download the custom SteamOS beta installation Unzip the SteamOS.zip file to a blank, FAT32-formatted USB stick.[/ol] [ol]Put the USB stick in your target machine. Boot your machine and tell the BIOS to boot off the stick. (usually something like F8, F11, or F12 will bring up the BIOS boot menu).[/ol] [ol]Make sure you select the UEFI entry, it may look something like "UEFI: Patriot Memory PMAP". If there is no UEFI entry, you may need to enable UEFI support in your BIOS setup.[/ol] [ol]Selected "Automated install" from the menu. The rest of the installation is unattended and will repartition the drive and install SteamOS. [/ol] [ol]After installation is complete, log onto the resulting system (using the Gnome session) with the predefined "steam" account. The password is "steam". Run steam, accept the EULA, and let it bootstrap. [/ol] [ol]Logoff the steam account. [/ol] [ol]Log on with the "desktop" account. The password is "desktop". [/ol] [ol]From a terminal window, run ~/post_logon.sh. This will prompt for a password - enter "desktop". This script will perform the post-install customizations, delete itself, then reboot into the recovery partition capture utility. [/ol] [ol]Confirm "y" to continue and the recovery partition will be created. When it is finished, reboot into your freshly installed SteamOS.