Usually, this is caused by unstable or poor internet connection. What can I do if the registration code is invalid? To register Dr.Fone and use the full version on Mac, follow the steps below:
Then you will have the full version of Dr.Fone. Then enter the license email and registration code to register Dr.Fone.On the popup window, you’ll see the option “Click here to login and activate the program”.Launch Dr.Fone and click the Account icon on the top right corner of Dr.Fone.To complete dr.fone registration and activation on Windows, follow the steps below: How to complete Dr.Fone registration and activation on Windows and Mac?