How do I join node to Swarm?

Could you please explain in detail the process of joining a node to Swarm? I'm interested in understanding the necessary steps, any prerequisites that I need to meet, and any potential challenges I may encounter along the way. Additionally, I'm curious about the benefits of joining a node to Swarm and how it can contribute to the overall network. Would you also be able to provide any resources or guides that could help me get started? Thank you for your assistance.