We have a license code lookup form on our website in the support area (http://www.econtechnologies.com/site/Pages/Support/customerKeycode.php). It is important to use your original purchase email address and to make sure our response wont get blocked by spam filters. Junk mail filters are a major problem affecting correspondence with our customers. Some institutional email accounts have spam filters in place that the users don't even know about. Every day, numerous support response get blocked and there is usually nothing we can do about it. If all else fails, you can always call us at (407) 365-4209.