How do I deposit money into NDAX?

I'm new to the world of cryptocurrency and I'm interested in using NDAX as my trading platform. Can you guide me through the process of depositing money into my NDAX account? I'd like to know the steps I need to follow, the supported payment methods, and any fees associated with the deposit process. Additionally, I'd appreciate any tips or advice on ensuring a smooth and secure transaction. Thank you in advance for your help!