Refprop 91 Install [hot] (OFFICIAL – TIPS)

The installation of REFPROP 9.1 (Reference Fluid Properties) follows a specific process depending on whether you are using the standalone program or integrating it with Microsoft Excel. Core Installation Steps

. For those without the full version, a "mini" version was sometimes used as a starter. The Excel Trial refprop 91 install

• Go to the NIST website (www.nist.gov) and search for "REFPROP 9.1" in the search bar.
• Click on the result that matches "REFPROP 9.1" and then click on the "Download" button.
• Alternatively, you can directly download the installation file from the following link: https://physics.nist.gov/Software/Refprop/refprop91.zip

4. Prepare a Clean Directory

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. The installation of REFPROP 9

Excel Macros Blocked: If the Excel functions don't work, go to Trust Center > Trust Center Settings > Macro Settings and ensure "Enable all macros" (or "Disable with notification") is selected. Go to the NIST website ( www

. You can change this during setup, but do not manually rename any internal files or subdirectories after installation. Linking with Other Applications Excel Add-in : To use REFPROP in Excel, navigate to File > Options > Add-ins for Excel Add-ins, then C:\Program Files\REFPROP folder to select REFPROP.xlam Environment Variables