Heroes.of.might.and.magic.4.complete.v2.0.0.12....

The version "Heroes.of.Might.and.Magic.4.Complete.v2.0.0.12" is associated with the GOG.com digital release of the game. This, and similar, versions are often discussed in community logs regarding the installation of HD mods and compatibility patches. You can explore the GOG release page and community forums to learn more.