= Building Documentation :page-nav_order: 900 // SPDX-FileCopyrightText: 2022 Unikie // SPDX-License-Identifier: GFDL-1.3-no-invariants-or-later OR CC-BY-SA-4.0 Make sure you have https://nixos.org/download.html[Nix] installed. You may also want to xref:../installation/binary-cache.adoc[configure the Spectrum binary cache], to avoid having to wait for dependencies to compile on your local system. . Get a copy of the Spectrum source code: + [source,shell] ---- git clone https://spectrum-os.org/git/spectrum ---- . Enter the documentation directory: + [source,shell] ---- cd spectrum/Documentation ---- . Run a server for previewing changes locally: + [source,shell] ---- nix-shell --run 'jekyll serve' ---- + This will serve a local copy of the documentation at http://localhost:4000/. After making changes to the documentation, see how to xref:first-patch.adoc[send your patch] and submit the changes for review.