UFO, conceived by Microsoft, is a trailblazing, open-source framework that streamlines the interface with Windows OS applications via natural language instructions. It operates on a dual-agent structure, integrating both a HostAgent and an AppAgent, to deftly manage and direct a range of applications in response to user commands. Employing GPT-Vision to interpret and engage with graphical user interfaces, UFO simplifies the intricacies of multi-application tasks into smooth, automated operations. It shines in the automation of monotonous duties, enhancing efficiency by ensuring seamless task execution.