see which languages are in demand, start learning those through you tube, or AI. Learn how to use the tools, it's so much easier today than it was for me 20 years ago
Be ready to have a few months of sleepless nights, in front of monitor, use stackoverflow, ask GPT although many times it will lead you in a trap but once you consume all wrong solutions the only left is the right one always work on logic blocks, do not cut yourself in middle of going through problem, many times solution is coming to your head when you think is hardest part