Ensure your proof of identity is a valid passport or driving licence with a clear picture, and your proof of address is a council tax bill/utility bill/bank statement clearly showing your name, and that it has been received within the past 9 months. Then, click the ‘my account’ button and the ‘personal details’ tab. Scroll to the KYC documents section and click the ‘choose file’ button to choose a document uploaded to your computer.