Prerequisites - nsubstitute/NSubstitute GitHub Wiki

A full build of NSubstitute, including document/website generation and packaging, requires the following (in addition to .NET development tools):

• Git. Git will need to be on your path to work with the project build script.
• [Optional] To build the documentation as well, you'll need docfx. You can install it as dotnet global tool dotnet tool install -g docfx