How to buy Astra crypto?

Could you please provide a step-by-step guide on how to purchase Astra cryptocurrency? I'm new to this field and would appreciate a detailed explanation. Firstly, where can I find a reliable exchange or platform that supports Astra? Secondly, what are the necessary steps to set up an account and fund it with my preferred currency? Once I have an account, how do I go about purchasing Astra tokens? Additionally, are there any specific fees or charges I should be aware of? Lastly, is there a recommended wallet I should use to store my Astra holdings securely? Thank you for your assistance in navigating this process.