Welcome to FreeDOS FreeDOS is an open source DOS-compatible operating system that you can use to play classic DOS games, run legacy business software, or develop embedded systems. Any program that works on MS-DOS should also run on FreeDOS. Play classic games You can play your favorite DOS games on FreeDOS. And there are a lot of great classic games to play: Wolfenstein 3D, Doom, Commander Keen, R
![The FreeDOS Project](https://cdn-ak-scissors.b.st-hatena.com/image/square/1e0fd27506832bab1ba1b8a0fc7503ec2bf8e7d4/height=288;version=1;width=512/https%3A%2F%2Fwww.freedos.org%2Fimages%2Fog-image.png)