Link to VS2010

Thanks to @TheBloke

http://stackoverflow.com/questions/3061811

docs/Compile.rst

@@ -200,7 +200,8 @@ It has the usual installer wizard. Make sure you let it add its binary folder
 to your binary search PATH so the tool can be later run from anywhere.
 
 You'll need a copy of Microsoft Visual C++ 2010. The Express version is sufficient.
-Grab it from Microsoft's site.  You'll also need the Visual Studio 2010 SP1 update.
+Grab it from `Microsoft's site <http://download.microsoft.com/download/1/E/5/1E5F1C0A-0D5B-426A-A603-1798B951DDAE/VS2010Express1.iso>`_.
+You'll also need the Visual Studio 2010 SP1 update.
 
 For the code generation parts, you'll need perl with XML::LibXML and XML::LibXSLT.
 `Strawberry Perl <http://strawberryperl.com>`_ works nicely for this.