# Getting started From a fresh environment to a Fisher matrix in three steps: 1. {doc}`installation`: install from PyPI or from source. 2. {doc}`first_forecast`: run a complete forecast in seconds, with no solver setup. 3. {doc}`overview`: what the inputs mean, and how to plot the result. After that, the {doc}`user_guide` covers backends, observables, derivative schemes and likelihood sampling in depth. ```{toctree} :maxdepth: 1 :hidden: installation first_forecast overview ```