We are running a survey to help us improve the experience for all of our members. If you see the survey appear, please take the time to tell us about your experience if you can.
where can I find product serial number? Is it necessary that I need to license Kiel? What happens if i dont? What are the advantages of licensing kiel ?
Without a licence, you will be subject to the stated restrictions:
http://www.keil.com/demo/limits.asp