Update the link for latest available Python 2.7 release for Windows

Author: codeaditya

docs/starting/install/win.rst

@@ -3,7 +3,7 @@
 Installing Python on Windows
 ============================
 
-First, download the `latest version <https://www.python.org/ftp/python/2.7.10/python-2.7.10.msi>`_
+First, download the `latest version <https://www.python.org/ftp/python/2.7.12/python-2.7.12.msi>`_
 of Python 2.7 from the official Website. If you want to be sure you are installing a fully
 up-to-date version, click the Downloads > Windows link from the home page of the
 `Python.org web site <http://python.org>`_ .