# Accessing documentation of LaTeX packages
The Comprehensive TeX Archive Network (opens new window) (CTAN) is indeed that, the comprehensive repository of LaTeX packages. Most if not all quality packages (and more) are on there, and all the good ones include documentation.
Important: CTAN holds the most recent versions. If your installation is outdated the documentation won't match! In that case, refer to the documentation documents shipped with your LaTeX distribution.
# TeX Live -- texdoc
If you use the TeX Live (opens new window) distribution you can use the command-line program
texdoc. For instance,
will open the documentation of package
Or if you are not command-line-savvy, the same can be found online at http://www.texdoc.net/ (opens new window)