Each purchase provides you with a Single-User license.

You can make unlimited flipping book on your one website when you buy Personal License. In other words, you are able to use Flash Page Flip for unlimited publications in one website (1 domain name and its unlimited subdomain) with Personal Licenses. You can use unlimited flipbook in up to 10 websites (10 domain names) with Professional Licenses and in unlimited number of your sites with Enterprise License and Source Code Versions.