How can I purchase oxygen?

Could you elaborate on the process of purchasing Oxygen, a cryptocurrency? I'm particularly interested in understanding the steps involved, from setting up a digital wallet to actually executing the trade. Is there a specific exchange that supports Oxygen, or are there multiple options? Are there any regulatory considerations or compliance measures I should be aware of before making such a purchase? Additionally, what are the potential risks associated with investing in Oxygen, and how can I mitigate those risks? I'd appreciate a detailed breakdown of the process and any tips or insights you may have for a beginner interested in this cryptocurrency.