
mpr-17933.bin - required for North America/US-region and Europe-region games. syscard3.pce - general BIOS required for all regions. bios_CD_E.bin - required for Europe-region games. bios_CD_U.bin - required for North America/US-region games. bios_CD_J.bin - required for Japan-region games. scph5502.bin & scph5552.bin - required for Europe-region games. scph5501.bin - required for North America/US-region games. scph5500.bin - required for Japan-region games. For example, if you only intend to play US games, you only need the US region BIOS. The following video game systems require these BIOS files in order for games to work. If you're not sure if you have 64-bit or 32-bit Windows, here's how you can check: The portable version is 'installed' as soon as you unzip it from its zip file. The Download (the portable version) doesn't have an install wizard. I recommend the Installer I cover the Installer in the installation directions further down. They stopped making 32-bit computers around 2017, so chances are you're most likely using a 64-bit computer.Īs for “ Installer” vs “ Download”, that's if you want the install wizard or the portable version. If you have 64-bit Windows, you need to download the 64-bit version of RetroArch. 64-bit is newer and faster, and 32-bit is older and slower. In short: these are types of Windows systems.
So what are these and which version do you download? First, I'll start with 64-bit vs 32-bit. If it doesn't detect your OS or doesn't properly detect your device (maybe you're using a private browser?), scroll down on the Downloads page and look for the Windows category where you'll see four versions : When you go to download RetroArch from, the website should detect your OS and present you with an easy download button.