Installing Aspen HYSYS V12 is a detailed process that requires preparing your system, managing prerequisites, and configuring licensing. Before starting, ensure your computer meets the minimum system requirements

Windows 10 (64-bit) Professional or Enterprise editions. Windows Home editions are not officially supported because they lack advanced administrative and local user group policies required by Aspen databases.

The installer checks for several mandatory components. If they are missing, you must install them manually from the 3rd Party Redistributables folder in your installation media:

Review the summary screen to ensure all chosen components are listed. Click .

Create a new case, add a fluid package (such as Peng-Robinson), add a few basic components (like Methane and Ethane), and drop a stream onto the flowsheet. If the stream flashes and calculates properties without throwing an error, your installation is fully functional. Troubleshooting Common Installation Errors

Right-click SETUP.EXE , choose "New installation" , and accept the default options. 2. Launch the Main Installer