This user guide assumes that you have installed the SKIRT project on your computer as explained in the The SKIRT Installation Guide.
The best way to begin using SKIRT is to perform the tutorials offered in the Tutorials section on this web site, and then to turn back to this user guide for additional information and guidance.
Also, detailed information on a specific SKIRT option and its effect can be found in the documentation for the C++ class implementing the option. As explained in Editing a ski file, the relevant class name (and hence the corresponding documentation on the web site) is fairly easy to locate even for a non-developer.
The SKIRT user guide includes the following topics: