How do you buy flow?

Could you please elaborate on the process of purchasing Flow? I'm quite interested in understanding the steps involved in acquiring this cryptocurrency. Could you guide me through the necessary platforms or exchanges where I can buy Flow? Additionally, are there any specific requirements or prerequisites that I need to fulfill before making a purchase? Would it be necessary to set up a cryptocurrency wallet? Furthermore, are there any fees or commissions associated with buying Flow, and how do they typically work? Lastly, could you also provide some insights into the current market trends and potential risks involved in investing in Flow? Thank you for your assistance.