Breathe new life into your favourite retro N64 games with Project64. Project64 is a completely free and open-source emulator for the Nintendo 64 and 64DD written in C++. Capable of playing your favorite N64 games on your PC with high definition graphics, excellent compatibility, save states, built-in cheat codes, and more. A simple to use user interface, allowing games to just run out of the box with no configuring. Though if you want there are dozens of configuration options to make it work the way you want.