V-Ray Next Render Nodes can now be upgraded as follows:
* to V-Ray 6 Render Node perpetual licenses at an upgrade price;
* to an Annual license model with a 30% discount for the first year
To check all the upgrade options you have please log into my.chaos.com with your email address, locate your subscription under the Active products tab and click on the Upgrade button, You will be presented to all the upgrade options available.