It is likely that the computer will request permission to run a program from an unknown source.Double-click on the RetroArch application to open the installer in.Once downloaded the RetroArch emulator for our operating system, we locate the downloaded file on our computer.To Install PS3 Emulator RetroArch we have to do the following: Install RetroArch PlayStation 3 Emulator for Pc (Windows) We go to the emulator installation section and follow the steps.In case our browser asks for permission to complete the download from an unknown source, we accept the permissions.Download RetroArch for iOS 11 and later.Download RetroArch emulator for iPhone, iOS.Download RetroArch emulator for Android.Download RetroArch for Windows 7/8/10 64 bits.Download RetroArch for Windows 7/8/10 32 bits.Download RetroArch for Windows Vista/XP 64 bits.Download RetroArch for Windows Vista/XP 32 bits.To do this we use the link below that suits our device and operating system: Download RetroArch Emulator for our computer.To download the PlayStation 3 emulator RetroArch we have to follow the steps below: Install RetroArch PlayStation 3 Emulator for Pc (Windows).