hi, i purchase the campus version of easyworship and it is now asking for a new product key. I have 11 days to register, I don't know what to do to solve this problem.

Is that computer connected to the internet? If not, try connecting it and opening EasyWorship once so that it can get the latest license information. Also I have forced the system to send a new license upon opening EasyWorship when it's connected to the internet.