— If you have purchased FATcomp once the new releases with bug fixes, minor improvements and some new functionality will be free for the duration of the product lifetime.
We will consider charging for major new releases, for example completely new modules, as these take considerably longer time and more resources to develop. Make sure to keep an eye out for special offers on such new modules if you have already bought the early access version of FATcomp.
— Most probably yes, if your OS is supported. Still, make sure to check the system requirements before you buy it.
— The payment function will handle different currencies. You will see that when you do the purchase.