Where can I buy Xen?

Could you please provide me with some information on where I can purchase Xen cryptocurrency? I'm new to the world of digital currencies and am looking for a reliable and secure platform to make my first investment. Are there any specific exchanges that you recommend for buying Xen, or do I need to take certain precautions when making such a purchase? Additionally, are there any fees associated with buying Xen, and how can I ensure that I'm getting the best possible deal? Thank you for your assistance.