What does 'Register to this website' mean?

A website address must be provided during purchase of Professional Editions of Small Media so that a personalised copy can be created for you. The personalised copy will run only from the provided address, which prevents illegal copying and protects your investment.

For example, if you intend to put Small Media on a website called www.coolsite.com, then you should type in 'www.coolsite.com' in the entry box. The Small Media sent to you after successful purchase will be personalised so it can only run from www.coolsite.com.