How to purchase GMRx?

Could you please elaborate on the steps involved in purchasing GMRx? As a novice in the world of cryptocurrency investments, I'm curious about the process. Do I need to register with a specific exchange or platform? Are there any specific requirements or prerequisites I should be aware of? Additionally, would you mind outlining the payment methods accepted for this transaction? I'm particularly interested in the security measures involved to ensure a smooth and secure purchase of GMRx. Thank you for your assistance in navigating this potentially complex process.