A comprehensive guide and tool to help organizations implement probabilistic risk analysis. The guide provides an overview of the risk register tool and gives an example of a project that used it. This example walks the user through the typical adoption of probabilistic risk analysis, from identifying risks to interpreting a probability distribution.NOTE: This publication's accompanying beta software is a proof of concept and is available for informational purposes only.By downloading or purchasing this publication, you understand and accept that its accompanying software may stop opening or running properly on future platforms and is not supported or maintained by CII.Both the publication and its software are protected by applicable copyright restrictions as set forth by CII.Any party interested in adapting this software is invited to contact CII Associate Director for Deployment to discuss licensing.