How to buy USDC E?

Could you please elaborate on the process of purchasing USDC E? I'm particularly interested in understanding the steps involved, any prerequisites that I might need to fulfill, and any specific platforms or exchanges that you recommend for this transaction. Also, could you provide some insights into the fees and charges associated with buying USDC E? Additionally, I'm curious about the security measures I should take to ensure a safe and secure transaction. Lastly, is there anything else I should be aware of before proceeding with the purchase? Thank you for your assistance.