You have purchased SilverFast 9, but haven’t received any activation code to unlock SilverFast?
That’s fine. SilverFast 9 works without serial numbers. When you purchase SilverFast 9, a MySilverFast account is created for you, if you haven’t created one already.
Go to my.silverfast.com if you want to download SilverFast 9.
Your MySilverFast account and SilverFast 9 share the same login data. After logging in into SilverFast 9, all your SilverFast 9 licenses are available.

Further readings: