1. Open HYSYS V8.6 2. You have to have your simulation file and open it. The fluid package and component might be determined. 2. "VIEW" TAP click 3. "Model Palette" click 4. Palette will pop up. 5. Click " CUSTOM" button 6. Click " Equilibrium Unit Operation" button. Youtube : https://www.youtube.com/channel/UCofwAgaoyd_aVQmZ7OJxHOA