It disables the donation prompt that occasionally appears when closing the application. 2. Installation and Management
Some users search for “Cyberduck registration key” but actually mean . Mountain Duck is a separate commercial product from the same developer. It mounts cloud storage as a disk drive on your desktop. Mountain Duck does require a paid license key (€39/year or a perpetual license for €79). Cyberduck Registration Key
Which option do you want?
, no registration key is required; the application is automatically registered. Installation and Recovery How to Install It disables the donation prompt that occasionally appears
No registration key sent after donation for Cyberduck #15507 no registration key is required