Question

What programming language do you recommend to a 14-year-old girl with zero experience and limited resources? And how and where should I start?

Answer 1

well, in which area you want ? what kind of apps you want to write ?

Better learn WordPress, it is a CMS, you must put blocks of code togeteher (plugins and themes)

Then learn PHP , HTML, JS in order to write code in WP.

And a little SQL in order to be able to speak with DB.