Microsoft no longer supports, sells, or validates keys for this product. Their support database, KB articles, and license servers from that era are long gone.
Microsoft Fortran PowerStation 4.0 was a pivotal development tool in the mid-1990s, serving as one of the last major Fortran compilers produced directly by Microsoft before the product line was transitioned to third-party developers. For many legacy systems and hobbyists, finding the original installation media and its accompanying "CD key" remains a common quest for maintaining historical software environments. The Legacy of Microsoft Fortran PowerStation 4.0 microsoft fortran powerstation 4.0 cd key