Current version is: 3.8.0

OpenSees executables are available for download. The current version has been tested and is generally stable. However, users may encounter problems when running a new problem for the first time. For that reason we we strongly encourage you to participate in the various message boards hosted by OpenSees. And please report any bugs you find!

We are only now releasing 64 bit applications.

DOWNLOAD Windows 64 bit Binaries
Release_3.8.0 OpenSees3.8.0-x64.exe

The downloaded file once extracted is a folder. It contains two folders, the bin folder contains the executable, OpenSees.exe.

Twp OpenSees Applications are available for Apple Machines: One for Intel processor(s) x86_64 and another for the newer ARM machines. You can download using one of the following:

DOWNLOAD Mac Binaries
x86_64 OpenSeesMac3.8.0-x86.tar.gz
ARM OpenSeesMac3.8.0-ARM.tar.gz