Before the upgrade, the previous version of DVD-Cloner must be uninstalled. Once DVD-Cloner has been completely uninstalled, you may begin to upgrade it. The upgrade version must be registered to get access to all its functions.
If you purchased DVD-Cloner II and DVD-Cloner III within the last 6 months, you can use your original registration code and email address to register DVD-Cloner IV.
If you have owned DVD-Cloner II and DVD-Cloner III for more than 6 months, please visit http://www.dvd-cloner.com/upgrade.html and click the "Upgrade" button to get upgrade.