The Updox Connector for Amazing Charts has been sunset and is no longer in use.
It has been replaced by Updox Central and the Amazing Charts Plugin.
Installing Updox Central
You can install Updox Central by following the steps in the How to Install Updox Central article here
Installing the Amazing Charts plugin within Updox Central
After you complete those steps or if you already have Updox Central installed you can install the Amazing Charts plugin within Updox Central by following the steps in the article here