The first primary resource is understanding what
is software engineering hard.
Let's start with online courses in software engineering.
I started with codecademy.
That was a few years ago when things looked a little different and everything was divided into small courses like PHP, Ruby, SQL, etc.
Now there are more courses divided into paths, and they look a lot clearer now.
This site is a really good place to start and take your first steps, and it's mostly free.