This is more-or-less how Logos (a bible study tool suite) works: you buy this "version", and you get updates until/unless a new "version" comes out You can kee

This is more-or-less how Logos (a bible study tool suite) works: you buy this "version", and you get updates until/unless a new "version" comes out You can keep running old version(s) as long as you want - but when a major rev releases, they have an upgrade option The updates aren't "indefinite" - but they're pretty long-lasting