How to buy ADA on KuCoin?

Could you please elaborate on the steps involved in purchasing ADA on KuCoin? I'm interested in understanding the entire process, from setting up an account to making the actual purchase. What are the necessary prerequisites? Are there any specific fees or limits I should be aware of? Additionally, how secure is the platform, and what measures does KuCoin take to protect user funds? Lastly, are there any tips or best practices you would recommend for a first-time buyer on KuCoin? Thank you for your assistance.