Can you clarify in more detail what you are referring to and any error messages you get, and are you using the free program or which edition you are using eg Plus, Premium, EDM etc?
In order for us to help you, short cryptic answers do not help, we cannot see your computer screen so we are going to need more details on steps you are taking which end up with the error you are getting, and what you mean by 'Magix link not found don't have key licensee to put anything in and what environment the computer is in eg home, business, office, part of a network, in an education establishment etc.
Is the computer a Windows PC, a tablet, laptop or a MAC device?