The original release of Evolver 4.0 could be run as both a 32-bit application (i.e. for Windows 95 and higher) and as a 16-bit application (i.e. for Windows 3.1). Starting with version 4.0.4, Evolver is 32-bit only.
Evolver (version 4.0.4 and later) is compatible with the following operating systems:
Evolver (version 4.0.4 and later) is not compatible with the following operating systems: