For example, I would use this command to copy registry entries from my Dyalog 17.1 64-bit Unicode to a new 18.0 64-bit Unicode:
]copyreg 17.1u64 -to=18.0u64 -include=Colours\Schemes\Glade;AutoComplete\;ValueTips\;KeyboardInputDelay
For more information, please look at ]copyreg -???