You can exchange your registered serial number for another serial number that works without a CD on our website:
https://www.silverfast.com/problemreport/en.html?filter=form&sub=quick&topic=bundle
Please note that you have to register the serial number before the exchange. If you have not yet registered, you can do so on our website (further down):
https://www.silverfast.com/reg/en.html
After registering and exchanging the serial number, you will receive a new number by email that replaces your old one. Your new serial number will be linked to your first and last name.