To move beyond the trial version—which includes watermarks, a limited number of fish species, and frequent "nag" screens—users must obtain a unique serial number.
The Dream Aquarium Screensaver is a popular software program that requires a valid serial number to access its full features. A serial number helps to unlock the full potential of the screensaver, while also preventing unauthorized use. Users can obtain a serial number through purchase or free trial. Dream Aquarium Screensaver Serial Number
Search for "Dream Aquarium" or "BMT Micro" (the common payment processor). a limited number of fish species