: Execute the file and follow the on-screen prompts. The default installation path is usually C:\Program Files\REFPROP
: NIST no longer sells new licenses for version 9.1. You can only install it if you purchased it before the version was superseded. If you lack a legitimate installer and license, consider purchasing the current version from NIST or using the free NIST REFPROP web API.
Do not install over an existing REFPROP folder unless you are intentionally upgrading. Back up any custom fluid files ( .fld , .mix ) from C:\Program Files (x86)\REFPROP before proceeding.
Click and paste the exact path to your REFPROP folder (e.g., C:\Program Files (x86)\REFPROP or C:\REFPROP ). Click OK on all windows to save the changes. refprop 91 install
echo %REFPROP_PATH%
Installing on Mac requires creating specific directory structures in the Group Containers folder for Office and manually copying fluids, mixtures, and the librefprop.dylib file.
This comprehensive guide covers the complete installation process for REFPROP 9.1, including standalone setup, environment configuration, and integration with third-party software like MATLAB, Excel, and Python. System Requirements and Prerequisites : Execute the file and follow the on-screen prompts
: Windows 7, 8, 10, or 11 (32-bit or 64-bit).
If using a CD, insert it and run the setup file (e.g., D:\NIST2391.EXE ). If you have a downloaded version, double-click the .exe file (often named nist2391.exe ).
Ensure the link is updated. Go to the Data tab, click Edit Links , and select REFPROP.xlam . Use "Change Source" to point to the C:\Program Files\REFPROP location to ensure it is not running from a temporary folder. 4. Troubleshooting Common Install Issues If you lack a legitimate installer and license,
One of the most common ways to use REFPROP 9.1 is through its Excel Add-in. Locate Add-in Files REFPRP91.XLA REFPROP.xlam is in your main installation folder. Add Trusted Location In Excel, go to
A: Possibly, but it is not officially supported. Users report success using Windows 10 compatibility mode (right-click installer > Properties > Compatibility > Run as Windows 10).