You can find your license key in the following ways.
Print-out Guidelines
When you install your product, we recommend you to save your License Key for your records. Check if you still have its print out.
Product CD
If you have purchased in the CD form, you can find the Product Key in your product packaging.
Contact Support
If you still face issue in getting the license key, you may send a request to our support team at support@guardianav.co.in. Please include the following information in your email.