Why was I upgraded to v8?

Well when I look at what version I am using, it shows “8.1.1054”. The popup says “Your emClient 8 Pro trial will end in x days. To keep using the free version just close this box.”
That would lead me to believe I have been temporarily upgraded to 8 Pro? But the interface doesn’t look like it has changed at all. Am I misunderstanding something? Thanks.