You can raise a support ticket on our support desk here: support.explaindio.com
Or, you can email is at firstname.lastname@example.org along with the following purchase details:
1. Paypal email address (through which you made the purchase)
2. Paypal Transaction ID/PayDotCom Transaction ID/ WarriorPlus Invoice
3. Product Name
Note: Please make sure you are writing us from your Sign-up email so that we can track your record correctly and deliver a prompt service.