Download RetroArch, set up a controller, grab some cores, and then import your ROM collection to get started.

When emulating a game in RetroArch, you can access the RetroArch menu using the previously set-up command on your controller or by pressing the RetroArch button on the on-screen interface.

Here’s how to do it. What Is RetroArch? If you want to play all your favorite old games, RetroArch sets up a slick, all-in-one interface on your computer for any retro game you can imagine.