To view your activation status, launch the Activation Wizard by going to All Programs – Convert to PDF 4.0 – License... from the Windows Start menu. See Launching the Activation Wizard for detailed instructions.

If you have activated the product, the Status field will display Activated, and your serial number, name, organization and email address are also displayed.

The Change License... button can be used to change your license. You would use this button when upgrading an End User License to an Windows Service License within the same product version. It cannot be used to upgrade an older version of the software to a new version.