But now you’ll need to find the correct ROMs online. Your emulator will now be ready to play Tekken 3. After, double click the RetroArch-1.7.5-x86-setup.exe file in order to start the emulator. zip file to a location, for example your Desktop. Once you have finished downloading Retroarch, extract the downloaded. We’d suggest Retroarch – it’s open source, fast and one of the most frequently updated. Step 1: you can start by downloading a reliable and bug free emulator. The second component is the Tekken 3 game itself to play on the emulator. The first component is the emulation program which can imitate the psx OS and software. There are two components for playing a psx Tekken 3 game on your PC.