Creating USB installation media in OSX
PC running Windows OSX USB drive with at least 1 GB of free storage
- Download the official SteamOS file from Valve's Web site
- For OS X, enter the Utilities folder in your Applications list, click on Disk Utility, select Erase, and choose MS-DOS (FAT). Rename the USB drive to "SYSRESTORE
- After the download has finished, unzip and extract all of the files to the USB drive. Make sure they are on the root of the drive, meaning that they aren't stored in a folder
