How do you look up information on a company?

Hello there, I'm curious about how one would go about looking up information on a company. Would you be able to walk me through the process? Are there any specific websites or resources that you would recommend using? And what kind of information should I be looking for to get a comprehensive understanding of the company's financial health, operations, and future prospects? I'm eager to learn more, so any insights you can provide would be greatly appreciated.