Aspen Hysys | System Requirements

Aspen HYSYS is built for the Windows ecosystem and requires specific security and administrative settings. Supported : Windows 10 (64-bit) or Windows 11.

Stick with V11. V14 will be frustrating. Aspen Hysys System Requirements

Check the AspenTech website for specific system requirements for your version of Aspen Hysys, as requirements may vary. Aspen HYSYS is built for the Windows ecosystem

WiFi is acceptable for occasional use but not for 8-hour dynamic runs. hardware benchmarking forums

This guide is compiled from AspenTech documentation, hardware benchmarking forums, and interviews with senior process engineers across refining and LNG industries. Last updated: May 2025.

SSD with 500 GB to 1 TB of free space to handle large temporary files and databases. Software & Platform Requirements