Hello I am a Junior Developer, and a friend wanted to get something for his small business. I designed the FileMaker document already all he needs to do is simply display the Solution on a monitor, and use a few fields and buttons every now and then (no editing).

 

I am starting him off with the free trial but after that is over, Which license would I need to buy for him? He would be very happy to sneak away with saving money and not getting Pro.

Since you have Advanced, you can create a runtime (standalone application) for  your friend.  No license would be necessary.  It appears that the main limitations (no remote access, no networking) will not affect his situation.  See this FileMaker Help topic for more information.

 

A runtime must be compiled on the platform it is going to be run on (if your friend uses Windows, you must build the runtime on a Windows box).

Thank you for the help!