: Locate your installation file (typically named nist2391.exe for version 9.1) or insert the REFPROP CD-ROM.
Add your installation path to the existing Path variable to ensure Excel can always locate the required DLLs ( REFPROP.DLL or REFPRP64.DLL ). 4. Common Troubleshooting Answers to Frequently Asked Questions - NIST Pages refprop 91 install
Before beginning, ensure your system meets these basic needs: : Locate your installation file (typically named nist2391
