Instead of risky downloads, you can obtain the software through legitimate channels:
For safety, legality, and to ensure you have access to support and updates, downloading Aspen Hysys through the official AspenTech website or authorized resellers is highly recommended. If budget is a concern, exploring free trials, educational programs, or seeking guidance from your institution (if you're a student) can provide legitimate access to the software. download aspen hysys kuyhaa link
Which of those would you like?