Windows 2.1x

Windows 2.1x refers to a series of graphical operating environments developed by Microsoft as part of its Windows operating system family, specifically released in the late 1980s. More specifically, it includes two versions: Windows 2.1 and Windows 2.11. Here are some key points about Windows 2.1x: 1. **Release Date**: Windows 2.1 was released in 1988, while Windows 2.