Please view the following news articles which detail the upgrade process for switching from ClickCartPro 5.1, ClickCartPro 6, ClickCartPro 7 and EuropaCart 7 to ClickCartPro 8 or EuropaCart 8.
Upgrading from ClickCartPro 5.1 or ClickCartPro 6:
https://central.kryptronic.com/public/news/version5-6-to-version8-upgrade.html
Upgrading from ClickCartPro 7 or EuropaCart 7:
https://central.kryptronic.com/public/news/version7-to-version8-upgrade.html
