Use https:// URLs when referring to python.org hosts.
diff --git a/Doc/using/mac.rst b/Doc/using/mac.rst
index 5be439f..9034b63 100644
--- a/Doc/using/mac.rst
+++ b/Doc/using/mac.rst
@@ -19,7 +19,7 @@
 
 Mac OS X 10.8 comes with Python 2.7 pre-installed by Apple.  If you wish, you
 are invited to install the most recent version of Python 3 from the Python
-website (http://www.python.org).  A current "universal binary" build of Python,
+website (https://www.python.org).  A current "universal binary" build of Python,
 which runs natively on the Mac's new Intel and legacy PPC CPU's, is available
 there.
 
@@ -174,9 +174,9 @@
 The MacPython mailing list is an excellent support resource for Python users and
 developers on the Mac:
 
-http://www.python.org/community/sigs/current/pythonmac-sig/
+https://www.python.org/community/sigs/current/pythonmac-sig/
 
 Another useful resource is the MacPython wiki:
 
-http://wiki.python.org/moin/MacPython
+https://wiki.python.org/moin/MacPython
 
diff --git a/Doc/using/unix.rst b/Doc/using/unix.rst
index 053bc63..067f80a 100644
--- a/Doc/using/unix.rst
+++ b/Doc/using/unix.rst
@@ -65,9 +65,9 @@
 ===============
 
 If you want to compile CPython yourself, first thing you should do is get the
-`source <http://python.org/download/source/>`_. You can download either the
+`source <https://www.python.org/download/source/>`_. You can download either the
 latest release's source or just grab a fresh `clone
-<http://docs.python.org/devguide/setup#getting-the-source-code>`_.  (If you want
+<https://docs.python.org/devguide/setup#getting-the-source-code>`_.  (If you want
 to contribute patches, you will need a clone.)
 
 The build process consists in the usual ::
diff --git a/Doc/using/venv-create.inc b/Doc/using/venv-create.inc
index 52cdda0..26acf0b 100644
--- a/Doc/using/venv-create.inc
+++ b/Doc/using/venv-create.inc
@@ -14,7 +14,7 @@
 .. seealso::
 
    `Python Packaging User Guide: Creating and using virtual environments
-   <http://packaging.python.org/en/latest/tutorial.html#creating-and-using-virtual-environments>`__
+   <https://packaging.python.org/en/latest/tutorial.html#creating-and-using-virtual-environments>`__
 
 .. highlight:: none
 
diff --git a/Doc/using/windows.rst b/Doc/using/windows.rst
index 2083ee4..10d4df3 100644
--- a/Doc/using/windows.rst
+++ b/Doc/using/windows.rst
@@ -22,7 +22,7 @@
 Unlike most Unix systems and services, Windows does not require Python natively
 and thus does not pre-install a version of Python.  However, the CPython team
 has compiled Windows installers (MSI packages) with every `release
-<http://www.python.org/download/releases/>`_ for many years.
+<https://www.python.org/download/releases/>`_ for many years.
 
 With ongoing development of Python, some platforms that used to be supported
 earlier are no longer supported (due to the lack of users or developers).
@@ -36,7 +36,7 @@
   release/python>`_, `Maintainer releases
   <http://www.tishler.net/jason/software/python/>`_)
 
-See `Python for Windows <http://www.python.org/download/windows/>`_
+See `Python for Windows <https://www.python.org/download/windows/>`_
 for detailed information about platforms with pre-compiled installers.
 
 .. seealso::
@@ -515,7 +515,7 @@
   user interfaces
 
 `PythonWin <http://web.archive.org/web/20060524042422/
-http://www.python.org/windows/pythonwin/>`_ is a sample MFC application
+https://www.python.org/windows/pythonwin/>`_ is a sample MFC application
 shipped with PyWin32.  It is an embeddable IDE with a built-in debugger.
 
 .. seealso::
@@ -553,9 +553,9 @@
 ===========================
 
 If you want to compile CPython yourself, first thing you should do is get the
-`source <http://python.org/download/source/>`_. You can download either the
+`source <https://www.python.org/download/source/>`_. You can download either the
 latest release's source or just grab a fresh `checkout
-<http://docs.python.org/devguide/setup#checking-out-the-code>`_.
+<https://docs.python.org/devguide/setup#checking-out-the-code>`_.
 
 The source tree contains a build solution and project files for Microsoft
 Visual C++, which is the compiler used to build the official Python releases.