How to Put Localhost Server Online on NGROK

Hello everyone,
This topic is very new for my users and also for me because for the first time i need this service very badly for my FYP (Final Year Project) which is web and a mobile Android application.

Now if you people have any query related to my work you can ask me freely, no matter what you ask i will definitely give you my best which i had.

First thing first my writing technique is