For some specific scenarios, other alternatives exist:
maintain archives of the software for legacy hardware maintenance. Industrial Monitor Direct Key Specifications & Requirements Original Requirements: 486 CPU or better, 8MB RAM, and Windows 3.1 or higher. Licensing: omron syswin 3.4 64 bit download
Thus, any search for a "64-bit download" is inherently looking for something that never existed. The real solution is to find ways to run the existing 32-bit or 16-bit software on a 64-bit OS, which requires virtualization or other workarounds. For some specific scenarios