What's is the best way to become programmer without school
Curiosity, if you have it, you made it 👍
Online courses, w3schools, codeacademy, udemy, udacity, even youtube
1 Learn a language. 2 develop a good app and release it. 3 repeat step two as many times as possible. 4 apply for a job and exclude the details of the apps you have developed.
You can learn from sololearn and just practice and practice...more what you learn.
Look for any junior level technology job you can find that has some programming elements. You'll probably have to do a lot of other tasks and very little programming, but it will get your foot in the field.
more practice make perfect