How to purchase RVN?

Could you please elaborate on the steps involved in purchasing RVN, a cryptocurrency? I'm new to this and would appreciate a detailed explanation. First and foremost, what platform or exchange would you recommend for buying RVN? Once I've selected a platform, how do I set up an account and ensure it's secure? Next, how do I deposit funds into my account? What payment methods are typically accepted? And finally, how do I execute the purchase order for RVN? Are there any additional fees or taxes I should be aware of? Your guidance would be invaluable in my first foray into cryptocurrency investing.