Cubik Studio owner
When you purchase Cubik Studio, you get an email containing an activation link to attach and activate your serial to your account.
If you've not received the email containing the activation link, you can use the recover form.
Cubik Pro owner
To upgrade Cubik Pro to Cubik Studio, you must find the email you received from "BDcraft Goods" containing your Serial that you copy/paste in the upgrade form to migrate your Cubik Pro serial to a Cubik Studio serial.
Where serials can be found
After purchase or after upgrade, your Serial(s) are located on the Download page when you are logged in.
Be sure to click "Show keys" to fully display keys, if you want to copy them to paste in Cubik Updater or Cubik Studio.
Problem, no serial
If you are logged in but no Serial is displayed on that page, please follow the guide depending on your purchased product: