Git has builtin help: run ``git help TOPIC``. For example, run
``git help git`` or ``git help help``.
+Quick start
+===========
+
+Download and installation
+-------------------------
+
+Unix users: download and install using your package manager.
+
+Microsoft Windows: download `git-for-windows
+<https://git-for-windows.github.io/>`_.
+
+MacOS X: use git installed with `XCode
+<https://developer.apple.com/xcode/downloads/>`_ or download
+`git-osx-installer
+<http://sourceforge.net/projects/git-osx-installer/files/>`_.
+
References
==========