How do you get your keys in Crypto?

Could you please explain in simple terms how one goes about acquiring their keys in the world of cryptocurrency? I understand that security is paramount, but I'm curious about the process and the different types of keys involved. Is it a straightforward process, or are there specific steps and precautions that need to be taken? Also, how do you ensure that your keys remain SAFE and secure, given the potential risks associated with digital assets?