IRender Lite was a special version of IRender nXt .
It has been replaced by nXtRender .
If you have a license for IRender Lite, you may continue to use it. When it is time to upgrade you license A(after 12 months), you can choose either nXtRender - which has fewer features than IRender Lite, or the full feature IRender nXt . You will have to pay the annual upgrade price, but there will be no special charge for upgrading from IRender Lite to IRender nxt.