While the Steam Machine looks like a cross between an Xbox Series X and a Nintendo GameCube, at its core, the platform is little more than a computer running on Linux instead of Windows . It uses a custom Linux operating system known as SteamOS, but it is a Linux machine nonetheless, which means you can install apps that let you sideload programs install them from outside the official app store, specifically games in your Epic and GOG libraries. The most popular of these is the Heroic Games...
