Windows Chicago was an important step in the development of Windows 95, also known by its codename O'Hare. The first version of Chicago, called Build 58s, was made available on August 10, 1993. As development continued, Build 189 became the first version to officially use the name Windows 95, with a date stamp of September 21, 1994. After much anticipation, Microsoft released Windows 95 to the public on August 24, 1995. However, the story didn’t end there; a new version of Windows Chicago was introduced shortly after, on September 14, 1995. This new operating system built on the features and improvements of Windows 95, showcasing Microsoft's commitment to enhancing user experience. The journey from Chicago to Windows 95 marked a significant milestone in personal computing, bringing new tools and a user-friendly interface to millions of users around the world.