How to purchase celestia?

Excuse me, could you please explain how to purchase Celestia? I've been hearing a lot about this cryptocurrency and I'm quite interested in investing. Could you guide me through the process? I'm not sure where to start or what platforms are reliable for such transactions. Also, do I need to set up a special wallet for Celestia? Could you provide any recommendations on secure wallets? And finally, are there any specific risks or considerations I should be aware of before making the purchase? Thank you in advance for your help.