Refprop 91 Install //free\\ Jun 2026

net user administrator /active:yes

If you cannot save changes to fluid mixes, run the REFPROP GUI as an Administrator. refprop 91 install

Ensure that "Full Installation" is selected so that all fluid files (.fld) and mixture files (.mix) are included. net user administrator /active:yes If you cannot save

The default installation path is:

REFPROP is commercial software. Unlike modern versions that utilize an online license manager, REFPROP 91 typically relies on a physical hardware key (dongle) or a specific license file (often named license.key or similar) placed in the installation directory. refprop 91 install

: Note that version 9.1 is an older release. Official support and the latest fluid models are found in Version 10.0 , which is available through the NIST Standard Reference Database .