In order to activate any of your purchased licenses, please click on the under-button of the app as follows:
Within the "Send me an activation code" section, type your e-mail address (the one you used to purchase your license) and click "verify":
You will get an activation code from Bimize into your mail box. Please copy the activation code and paste it in the "I already have an activation code" section:
You can always export a license. This one will be available again in your account and ready to use in other computer.