1.open the directory
(correct directory will have folders src, public, .gitignore file etc etc)

In terminal type and enter
2. npm install
3. npm start
go to this directory ...
\src\backend>
4. npm install exceljs
5. node app.js

Once you create a form using a blank template, form questions will be saved in files folder under backend in .json format.
Click on Eye icon to give responses. These responses will be stored in and .xls file in backend folder with respecctive form heading(form_heading.xls)\