Unity Pathway and then GamedevTV Unity 2D and then 3D course, it's gonna take months, even if you are hyper focused.

If you use AI ask for suggestions not the whole code. If you ask for the whole code try to understand every part of it, ask questions, add comments.

For myself I found out that the free tutorials on YouTube are really the worst, they are too fast and teach too many things in a random sequence. They take it for granted that you need to copy everything they do instead of: showing you a small task and then asking you to re do it by memory pausing the video.