You can obtain your registration information by accessing the client area from the official website. However, you will need your username and password to connect to the client area. Also, you can find the registration information on the e-mail address that you used for purchasing the product. After the purchase, you received an e-mail with this information. It's advised to look for that e-mail. If you can't find the e-mail nor connect to the client area, contact the developer.