About OpenSees
OpenSees is a software framework for developing applications to simulate the performance of structural and geotechnical systems subjected to earthquakes.
OpenSees 3.8.0
OpenSees is a software framework for developing applications to simulate the performance of structural and geotechnical systems subjected to earthquakes.
- By OpenSees
- Proprietary
- Portable
- Updated Feb 18, 2026
Technical details
| Publisher | OpenSees |
|---|---|
| Author | OpenSees Source & Related Material |
| Version | 3.8.0 |
| Release date | 2026-02-18 |
| License | Proprietary |
| Installer type | zip |
| Architecture | x64 |
| Package ID | OpenSees.OpenSees |
| Dependencies | Microsoft.VCRedist.2015+.x64 |
Install OpenSees from the command line
- Install with Windows Package Manager
winget install --id=OpenSees.OpenSees -e- Update to the latest version
winget upgrade --id=OpenSees.OpenSees -e- Uninstall
winget uninstall --id=OpenSees.OpenSees -e
Frequently asked questions
Is OpenSees free?
OpenSees is proprietary software from OpenSees. Check the publisher's license terms for pricing and usage rights.
What is the latest version of OpenSees?
The latest version is 3.8.0, released on Feb 18, 2026.
Is it safe to download OpenSees?
The download button links to the official installer published on opensees.berkeley.edu, the same file Windows Package Manager installs. You can verify the downloaded file by comparing its SHA-256 checksum with 5e37a5a95c645e31c7700ce6ec5b08c178baedc83241f7cbe10ef10cf6a4fb41.
Which Windows versions does OpenSees support?
OpenSees runs on Windows and is available for 64-bit (x64) systems.
How do I uninstall OpenSees?
Open Settings › Apps › Installed apps, find OpenSees and select Uninstall. From the command line, run winget uninstall --id=OpenSees.OpenSees -e.
Is there a portable version of OpenSees?
Yes. OpenSees is available as a portable ZIP archive (OpenSees3.8.0-x64.exe.zip, 64-bit (x64)) that runs without installation. Copy it to any folder or USB drive and run it from there.
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