When you run the installer, it will automatically check for:

Aim for an Intel Core i7 or i9 (or Xeon equivalent). Hysys loves high clock speeds for single-threaded calculations.

AspenTech typically supports the current Windows version and two prior versions. As of 2025, Windows 8.1 is completely obsolete. Avoid using Windows 11 24H2 until AspenTech releases a certified patch, as major updates often break license managers.

Required for compiling custom Fortran procedures. 🌐 Network & License Requirements

This machine will run a 500-stream dynamic gas plant simulation without crashing. Do not spend more on a GPU. Do not spend less on cooling.

Graphics card and monitor supporting a minimum resolution of 1280 x 1024