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What is RetroPie?
RetroPie allows you to turn your Raspberry Pi or PC into a retro-gaming machine. It builds upon Raspbian, EmulationStation, RetroArch and many other projects to enable you to play your favourite Arcade, home-console, and classic PC games with the minimum set-up. For power users it also provides a large variety of configuration tools to customise the system as you want.
RetroPie sits on top of a full OS, you can install it on an existing Raspbian, or start with the RetroPie SD image and add additional software later. It's up to you.
What is an Emulator?
An emulator is software that makes a computer behave like another computer, or in the case of RetroPie a computer that behaves like a video game console such as the Super Nintendo. The RetroPie SD image comes pre-installed with many different emulators. Additional emulators may be installed from within RetroPie.
What are ROMs?
ROMs are digital versions of game cartridges. Loading up a ROM in an emulator is the equivalent of putting a cartridge in a game console.
ROMs are copyrighted content and as such are not included with RetroPie.
What is a BIOS?
A BIOS is a small piece of software that tells hardware how to work. Many emulators emulate their system's BIOS, but others require you to supply a BIOS file. If a BIOS is required, the emulator's page will say so.
BIOSs are also copyrighted and are therefore not included with RetroPie.
Select your system for installation instructions: