How did I become a Software Engineer at 18 and how can you become one as well?

Some might already know a bit about me and how I got to become a Web Developer (Freelancer) at 17 with real clients and a lot of projects. But some things have changed since then, I learned new things, I’ve done a lot of new things, I was exposed to different people, and had a lot of introspective regarding my professional life and what I want to achieve.