docs: add full installtion page

The page details required system packages and how to install on
Linux and Windows

README.rst

@@ -23,6 +23,8 @@ For questions, issues or general curiosity visit the repo at `https://github.com
 Installation
 ------------
 
+For details on require system packages, see `Full Installation <http://steam.readthedocs.io/en/latest/install.html>`_.
+
 By default the ``steam`` package doesn't install all dependecies.
 Add ``[client]`` extra if you are going to use ``SteamClient``.
 

docs/index.rst

@@ -12,6 +12,7 @@ Table of Contents
 .. toctree::
     :maxdepth: 3
 
+    install
     user_guide
 
 .. toctree::

docs/install.rst

@@ -0,0 +1,75 @@
+Full Installation
+=================
+
+Linux
+-----
+
+Steps assume that ``python`` and ``pip`` are already installed.
+
+1. Install dependencies (see sections below)
+2. Run ``pip install steam[client]``
+
+.. note::
+    Consider using `virtualenv <https://virtualenv.pypa.io>`_
+    in order to keep you system packages untouched.
+
+
+Ubuntu/Debian
+^^^^^^^^^^^^^
+
+Replace ``python-dev`` with ``python3-dev`` for Python 3.
+
+.. code-block:: console
+
+    $ sudo apt-get install build-essential libssl-dev libffi-dev python-dev
+
+RHEL-based
+^^^^^^^^^^
+
+.. code-block:: console
+
+    $ sudo yum install gcc libffi-devel python-devel openssl-devel
+
+
+Windows
+-------
+
+Cygwin
+^^^^^^
+
+1. Download cygwin installer from https://cygwin.com/install.html
+
+2. During the setup select these additional packages
+    - ``python3``
+    - ``python3-devel``
+    - ``python3-setuptools``
+    - ``gcc-core``
+    - ``gcc-g++``
+    - ``libffi6``
+    - ``libffi-devel``
+    - ``openssl-devel``
+
+4. Install pip
+    - Open cygwin terminal
+    - Run ``easy_install-3.4 pip``
+
+3. Run ``pip install steam[client]``
+
+.. note::
+    Consider using `virtualenv <https://virtualenv.pypa.io>`_
+    in order to keep you system packages untouched.
+
+.. note::
+    Installation may take a while as a number of dependecies will be compiled
+
+
+Native Python
+^^^^^^^^^^^^^
+
+1. Download & install python 3.5 from https://www.python.org/downloads/windows/
+
+.. note::
+    Installing for all users will require administrator rights
+
+2. Then from ``cmd`` run ``pip install steam[client]``
+

docs/intro.rst

@@ -24,8 +24,10 @@ Checkout the :doc:`user_guide` for examples, or the :doc:`api/index` for details
 
 For questions, issues, or general curiosity, visit the repo at `https://github.com/ValvePython/steam <https://github.com/ValvePython/steam>`_.
 
-Installation
+Quick install
-============
+=============
+
+For details on require system packages, see :doc:`install`.
 
 By default the ``steam`` package doesn't install all dependencies.
 Add ``[client]`` extra if you are going to use :class:`SteamClient <steam.client.SteamClient>`.