You typically need administrator privileges to write to the C:\Program Files\REFPROP directory. 2. Core Installation Steps
If you previously had Version 7 or 8, search your computer for old Refprop.dll files (especially in System32 ) and delete them to prevent version conflicts. refprop 91 install
Choose unless you have a specific reason not to. You typically need administrator privileges to write to
Type =REFPROP("Water","T","P",300,101.325) into a cell. It should return a density value. refprop 91 install