How can I buy Aurora?

I'm interested in purchasing Aurora, but I'm not entirely sure how to proceed. Could you please provide a step-by-step guide for buying Aurora? I'm particularly curious about the exchange platforms that support Aurora, the best way to set up an account, and any additional fees or considerations I should be aware of. Additionally, would you recommend using a wallet specifically designed for Aurora or can I use a more general cryptocurrency wallet? Lastly, I'd like to know if there are any security measures I should take to ensure a safe and secure purchase. Thank you for your assistance.