I am not able to see anything at local host

I am going through this tutorial ,but when I am trying to run these same things at the my own system ,It is not able to show anything at the localhost ,can anyone tell me whether going through this is right ,there is no option to attach the folder in this post ,so I am not able to do it,Please help me in this isuue

hello!

do you have any errors / logs / terminal output, anything like that? the more information you share that you’ve seen in your terminal / browser console, the better we are able to help!

Also, for code sharing, there is https://github.com/, works very well!