Authorized users can acquire MCNP6.2 through official distribution channels. While the software itself does not have a retail commercial price, licensing organizations charge a nominal administrative/distribution fee to cover compliance verification, media creation, and support.

If you can tell me a bit more about your or intended use case , I can offer better suggestions for software alternatives or resources to help you navigate the licensing process .

Crucially, the license is . You are not allowed to share your copy with a friend, colleague, or research group without a multi-user license. Each user must apply for their own license. High-performance computing (HPC) centers also require proof of license before allowing access.

If you are with a recognized university or laboratory, your request will typically be approved.

However, before downloading MCNP6.2, ensure you have:

If you lack the institutional backing to pass an export control check, or if you need an immediate, completely free solution for a project, several excellent open-source Monte Carlo codes are available: