How do I get started with Sentinel?

I'm new to Sentinel and I'm eager to learn how to get started. Can you walk me through the process? What are the first steps I should take to begin using Sentinel? Are there any prerequisites or requirements I need to meet before I can start? Also, how does Sentinel work and what are its main features? I'm excited to explore the platform and see how it can benefit me in the world of cryptocurrency and finance.