diff --git a/Doc/using/mac.rst b/Doc/using/mac.rst
index b89c987..a386728 100644
--- a/Doc/using/mac.rst
+++ b/Doc/using/mac.rst
@@ -66,7 +66,7 @@
 :program:`BBEdit` or :program:`TextWrangler` from Bare Bones Software (see
 http://www.barebones.com/products/bbedit/index.html) are good choices, as is
 :program:`TextMate` (see https://macromates.com/). Other editors include
-:program:`Gvim` (http://macvim.org) and :program:`Aquamacs`
+:program:`Gvim` (http://macvim-dev.github.io/macvim/) and :program:`Aquamacs`
 (http://aquamacs.org/).
 
 To run your script from the Terminal window you must make sure that
@@ -117,7 +117,7 @@
 
 MacPython ships with the standard IDLE development environment. A good
 introduction to using IDLE can be found at
-https://hkn.eecs.berkeley.edu/~dyoo/python/idle_intro/index.html.
+http://www.hashcollision.org/hkn/python/idle_intro/index.html.
 
 
 .. _mac-package-manager:
diff --git a/Doc/using/unix.rst b/Doc/using/unix.rst
index 8b96ebe..ccdf84d 100644
--- a/Doc/using/unix.rst
+++ b/Doc/using/unix.rst
@@ -30,7 +30,7 @@
       for Debian users
    https://en.opensuse.org/Portal:Packaging
       for OpenSuse users
-   https://docs.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch-creating-rpms.html
+   https://docs-old.fedoraproject.org/en-US/Fedora_Draft_Documentation/0.1/html/RPM_Guide/ch-creating-rpms.html
       for Fedora users
    http://www.slackbook.org/html/package-management-making-packages.html
       for Slackware users
diff --git a/Doc/using/windows.rst b/Doc/using/windows.rst
index cc560d9..1c7b814 100644
--- a/Doc/using/windows.rst
+++ b/Doc/using/windows.rst
@@ -307,11 +307,11 @@
 `ActivePython <https://www.activestate.com/activepython/>`_
     Installer with multi-platform compatibility, documentation, PyWin32
 
-`Anaconda <https://www.continuum.io/downloads/>`_
+`Anaconda <https://www.anaconda.com/download/>`_
     Popular scientific modules (such as numpy, scipy and pandas) and the
     ``conda`` package manager.
 
-`Canopy <https://www.enthought.com/products/canopy/>`_
+`Canopy <https://www.enthought.com/product/canopy/>`_
     A "comprehensive Python analysis environment" with editors and other
     development tools.
 
@@ -377,7 +377,7 @@
 
 .. seealso::
 
-    https://support.microsoft.com/kb/100843
+    https://support.microsoft.com/en-us/help/100843/environment-variables-in-windows-nt
       Environment variables in Windows NT
 
     https://technet.microsoft.com/en-us/library/cc754250.aspx
@@ -386,7 +386,7 @@
     https://technet.microsoft.com/en-us/library/cc755104.aspx
       The SETX command, for permanently modifying environment variables
 
-    https://support.microsoft.com/kb/310519
+    https://support.microsoft.com/en-us/help/310519/how-to-manage-environment-variables-in-windows-xp
       How To Manage Environment Variables in Windows XP
 
     https://www.chem.gla.ac.uk/~louis/software/faq/q1.html