Schwarz Software & Consulting does not sell the Visual Editor. It is distributed through RSICC and the NEA.
The April 2018, MCNP® 6.2 release does not have the Visual Editor included in the package. Click here for solutions to any compatibility issues.
The Visual Editor can be purchased as a separate package through the Radiation Safety Information Computational Center (RSICC) . It is PSR-618. The abstract is here: https://rsicc.ornl.gov/codes/psr/psr6/psr-618.html
The Visual Editor is also available for free to member nations through the NEA in Paris. Click here: http://www.oecd-nea.org/tools/abstract/detail/psr-0618/
The current RSICC release of the Visual Editor is MCNPX version 25 (visedX_25.exe) and MCNP6.1 (visplot61_25.exe) version 25. Development of the Visual Editor is ongoing and beta versions are developed following each release. The latest beta version can only be obtained by attending a Visual Editor workshop.
To get more information on the MCNP Visual Editor, Click Here.
You can order the code here at the RSICC site:
https://rsicc.ornl.gov/Catalog.aspx?c=V