How to buy beam with Avax?

I'm curious about the process of purchasing Beam using Avax. Could you please explain the steps involved in this transaction? I'm particularly interested in understanding how to set up an account, navigate the exchange platform, and ensure the safety of my funds during the purchase. Additionally, I'd like to know if there are any fees or commissions associated with this transaction, and how they might affect the final cost of Beam. Could you also provide any tips or advice on how to make this purchase as smooth and secure as possible? Thank you for your help in clarifying this matter.