You have to do the character transfer through the shop until the queue comes up. It is, however, free.
The current estimated time for the transfer to complete is 12 hours on the initiation screen and 9 hours on the character selection screen after initiation, but my transfer got completed in 4 hours. Either way, if you’re planning to play, you may want to start the transfer at the end of your play session rather than at the beginning.
Detailed instructions here: