added note with link to 90 days free trail signup

Author: Jonathan

HOL.md

@@ -1249,6 +1249,8 @@ This appendix will show you how to create a new web site from the Windows Azure
 
 1. Go to the [Windows Azure Management Portal](https://manage.windowsazure.com/) and sign in using the Microsoft credentials associated with your subscription.
 
+	> **Note:** If you do not have a Windows Azure subscription you can sign up for a 90 days free trial [here](http://aka.ms/aspnet-hol-azure).
+
 	![Log on to Windows Azure portal](images/login.png?raw=true "Log on to Windows Azure portal")
 
 	_Log on to Windows Azure Management Portal_