If for any reason you want to continue using your license in another domain, you will have to follow the steps below. If you follow the instructions below properly, you will not experience any data loss.
Firstly, please go to settings to Export Booknetic data
Then go to WordPress > Plugins
Deactivate the Booknetic plugin on the current website.
Delete the plugin.
Reinstall the plugin on your new website.
Then Import the Booknetic data again.