Development and HistoryEdit
Windows 2.0, also known as Windows/286 (for the Intel 80286) was released April 2, 1987. It maintained compatibility with existing Windows applications, and included significant performance enhancements, as well as a new visual appearance, compatible with Microsoft OS/2 Presentation Manager (Which consisted of overlapping windows, rather than tiled windows).
Windows/386 introduced Himem.sys, and improved support for expanded memory hardware.
Windows 2.1 (Windows 2.01)Edit
Windows 2.01 (Windows 2.1) released in November 1987.
Windows 2.02 released in November 1987.
Windows 2.03 released in December 9, 1987.
Windows 2.10 (Windows/386) released in April 2 1988.
Windows/386 (and Windows/286 (Windows 2.86)) 2.11 released in March 1989.