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 2.02 released in November 1987.
Windows 2.10 (Windows/386) released in April 2 1988.
Windows/386 (and Windows/286) 2.11 released in March 1989.