A Windows Developer installs new software and systems, focusing primarily on Windows platforms. They write code, debug programs, test software, and ensure compatibility with existing systems. They also update and modify software to improve its performance or adapt to new hardware. They work closely with other specialists, such as software designers or project managers, to ensure that the software meets user needs and is free of bugs or errors. They also develop and implement user interfaces, ensuring that the software is user-friendly and intuitive. They need to stay updated with the latest technological trends to incorporate them into their work.