How to buy ZEC?

Could you elaborate on the process of purchasing Zcash (ZEC) for those new to the cryptocurrency market? I'm interested in understanding the steps from start to finish, including setting up a wallet, finding a reliable exchange, the trading process, and any additional security measures I should consider. What are some key things to look for in choosing a wallet or exchange, and are there any specific risks I should be aware of? Additionally, could you provide an overview of the potential uses and benefits of owning ZEC? Thank you for your guidance.