The Import License step in the Configure AppDNA Environment wizard is part of the license transfer procedure. In this step AppDNA imports the license transfer token you specified in the previous step and reactivates your license, if you chose to do that now. After this process has finished, click Close to exit the wizard.
Typically you now need to add the database to the AppDNA web site. See Add an existing AppDNA database for step-by-step instructions.