Add "Using Python on Windows" document, by Robert Lehmann.
Written for GHOP.
diff --git a/Doc/using/index.rst b/Doc/using/index.rst
index f8d8ce4..e2fa4b4 100644
--- a/Doc/using/index.rst
+++ b/Doc/using/index.rst
@@ -13,5 +13,6 @@
 .. toctree::
 
    cmdline.rst
+   windows.rst
    mac.rst