Click and then Finish to initialize the local background service. Part 5: Post-Installation and First Launch Verification
What happens in the background:
To tailor any troubleshooting steps to your specific system, let me know: What version are you running? how to install aspen hysys v12
To prevent the installer from crashing or failing to register system files, complete these preparatory steps.
Windows 10 (64-bit) Professional or Enterprise; Windows 11 (64-bit); Windows Server 2016/2019. Click and then Finish to initialize the local
Dedicated graphics card with at least 1GB VRAM supporting DirectX 11 or higher. Essential Software Prerequisites
To prevent installation errors, crashes, or rolled-back installations, complete the following preparatory steps: Windows 10 (64-bit) Professional or Enterprise; Windows 11
| Option | Description | |--------|-------------| | | Installs Aspen HYSYS, PLUS, and basic templates. Recommended for most users. | | Custom | Allows you to omit components like Aspen Online (rarely used), documentation, or foreign language files. |
Ensure Microsoft .NET Framework 3.5 and 4.8 are enabled via the "Turn Windows features on or off" menu in the Control Panel.
Restart your computer to allow all registry entries and background SQL services to initialize.
✅ – The section on configuring the SLM (Select License Manager) and pointing to the correct license file is worth the read alone. No more “cannot connect to license server” errors.