diff -r 9794cd0c8faf -r 80a1fea1fd7e windows.rst
--- a/windows.rst	Sat Dec 28 14:33:11 2013 +0200
+++ b/windows.rst	Sat Dec 28 16:16:55 2013 +0200
@@ -26,6 +26,12 @@
 
   cmd> slmgr -dli
 
+Windows history.
+================
+
+  http://windows.microsoft.com/en-us/windows/history
+                A history of Windows
+
 Windows update.
 ===============