How to buy ChainSwap cswap?

Sure, here's a simulated questioner's tone description on how to buy ChainSwap (cswap): "Hey there, I'm interested in buying ChainSwap tokens, also known as cswap. Could you walk me through the process? I'm not too familiar with cryptocurrency exchanges and I'm not sure where to start. What's the best way to go about it? Do I need to set up a wallet first? And are there any specific exchanges that support ChainSwap? Thanks in advance for your help!