: Often requires a VPN connection if accessing a university or corporate license server remotely. Permissions
| Component | Minimum (Small models) | Recommended (Large dynamic models) | | :--- | :--- | :--- | | | 2.0+ GHz, 4 cores (Intel i5 or AMD Ryzen 5) | 3.5+ GHz, 8+ cores (Intel i7/i9 or AMD Ryzen 7/9) | | RAM | 8 GB | 16–32 GB (64 GB for massive refinery flowsheets) | | Storage (SSD) | 20 GB free space | 50+ GB free space (NVMe SSD strongly preferred) | | Screen Resolution | 1920 x 1080 | 2560 x 1440 or dual monitors | Aspen Hysys System Requirements
: A graphics card and monitor supporting a minimum resolution of 1280 x 1024 Requirements for Older Versions : Often requires a VPN connection if accessing
| Component | Recommended Specification | Minimum Specification | | :--- | :--- | :--- | | | Intel Core i7 or i9 (8th Gen or newer) AMD Ryzen 7 or 9 Multi-core is essential for Optimization and Dynamics. | Intel Core i5 or AMD Ryzen 5 (Must support SSE2 instruction set) | | Memory (RAM) | 32 GB (Recommended for large dynamics or optimization runs) | 16 GB (Functional for steady-state education/small projects) | | Hard Drive | Solid State Drive (SSD) 50+ GB free space (Installation + Working files) | 7200 RPM HDD ~20 GB free space | | Display | 1920 x 1080 (Full HD) or higher | 1280 x 1024 | | Graphics Card | Dedicated GPU (NVIDIA Quadro/GeForce or AMD Radeon) Important: Latest drivers installed. | Integrated Graphics (Intel HD Graphics) Note: Dynamics 3D viewer performs poorly on integrated chips. | | Input | 3-Button Mouse (Scroll wheel required for 3D viewer rotation) | 2-Button Mouse | | Integrated Graphics (Intel HD Graphics) Note: Dynamics