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Windows 2.1x is a family of Microsoft Windows graphical user interface-based operating environments.
Less than a year after the release of Windows 2.0, Windows/286 2.10 and Windows/386 2.10 were released on May 27, 1988. These versions can take advantage of the specific features of the Intel 80286 and Intel 80386 processors.
Editions
Two editions of Windows 2.1x were released, both of which could take advantage of the Intel processor for which they were designed.
Windows/286
Windows/286 takes advantage of the HMA to increase the memory available to Windows programs. It introduced the H...