CREATING TRIAL VERSION FOR MY QUIZ FLASH FILE

Question

I HAVE A QUIZ CREATED WITH WONDERSHARE QUIZ MAKER BUT I WANT IT TO STOP RUNNING AFTER SOME TIMES FOR MY STUDENTS. I WANT THIS SO AS TO
STOP THOSE WHO REFUSE TO PAY FOR TUTORIAL EXERCISE.
CAN ANYONE HELP ME OUT WITH THIS A SOFTWARE I PURCHASE TO DO THIS DOES NOT WORK WITH IT (sharewaremaker)