Currently, we are using MS Fortran Power Station V1.0a.
Any hints are very much appreciated.
It runs nicely in a DOS box. I have looked at the packaging and manuals that came with my copy of MS Fortran Power Station V1.0a. I think you are out of luck, and should get a new compiler for your NT system. MS Fortran Power Station V4.0 is no longer available - Microsoft gave up on it. It would be very interesting if someone would do this.