After 1 year from the date of purchase if you need re-access to the theme (old or updated new) or support for the theme you need to pay again.
For all themes package it renews at $69 for support and re-access to old themes as well as access to new themes after a period of 1 year.
You can ask for additional discounts for all themes renewal.
You can go for lifetime package for one time charge.
