To upload KYC documents, you need to go to:
My Profile-> Upload KYC documents.
There you need to fill in all correct information and upload Proof of Residence and Proof of Identity and than simply click on Submit.
If your KYC documents are correct and submitted, you will get a status on top that this will be handled.
As soon as your KYC is approved, you will see your correct personal details in a blue window.
If your request has been declined you will get on top the reason why this was declined.