not available for free . It is a commercial operating system developed by Arca Noae, based on IBM's OS/2 Warp. While you may find "free" links on abandonware or pirate sites, these are unauthorized, potentially unsafe, and do not provide the official support or driver updates necessary for modern hardware.
Arcaos is a live video looper that allows users to create, manipulate, and playback video in real-time. Developed by Mediaplex, Arcaos has been used by numerous artists, musicians, and performers to add an extra dimension to their live performances. With Arcaos, users can create complex video loops, manipulate video effects, and even control multiple video outputs. Arcaos Download Free -FREE-
If you are looking for an OS/2-style experience without the ArcaOS price tag, consider these options: For running classic DOS applications (completely free). eComStation Demo: not available for free