Need help on number 3
After rails generate finishes running, in the Code Editor, open app/controllers/pages_controller.rb. Within the class PagesController, add a method home:
It took me a while but I figured it out. In the little programming thing in the top middle column, there is a picture of a file in the top left corner of it. click it and then it works like any other file on a computer. I hope this helped. i am not good at explaining things.
Exactly it took me awhile as well but you have to click on folder option and follow the address to find app/controllers/pages_controller.rb. and modify it with def home
then click on RUN
i hope it works