Install Mongodb from https://www.mongodb.com/download-center?jmp=nav#community
For Start mongodb Server in windows use mongodb start server/windows/mongo.bat
default location for mongodb database path is desktop/mongodata
if your mongodb install location is change
change your mongodb install location
and also you change your db path
change --dbpath /set location where save your data.
and remove from mongo.bat this line
1. cd %username%/Desktop
2. mkdir mongodata
for next time rum your server as your set location.
if you have a home page change with server/middleware/authenticate.js in line no. 20 change as your request and also remove form server/server.js in
app.get('/', authenticate, (req, res) => { res.redirect('/home'); });
to
app.get('/', (req, res) => { res.send ('**your file name**'); });
and add your login page where you want.