STochastic Engine for Pathway Simulation

Docker Image:

You can download a prebuilt Docker image with the latest STEPS installation from


STEPS 3.0.0 and above can be downloaded via

Please check the file for installation instructions. If you have any question regarding STEPS implementation and/or modeling using STEPS, please leave your question in the STEPS support Google group, or email us.

Repository for validations

Repository for examples

SourceForge (old repository):

Source code and Binaries of STEPS 2.2.0 and below can be downloaded via

Other Distribution:

Christoph Gohlke provides Windows binaries for STEPS 2.0.0, which can be downloaded via

A diff patch for Visual Studio 2008 is also provided here.