The company known for developing the Windows operating system is Microsoft. Founded in 1975 by Bill Gates and Paul Allen, Microsoft has become one of the leading technology firms globally. Windows, initially released in 1985, revolutionized personal computing by offering a user-friendly interface and a platform for developers to create software applications. Over the years, Microsoft has continued to innovate, launching multiple versions of Windows, integrating cloud services, and expanding into areas like gaming and productivity software, solidifying its dominant position in the tech industry.