What do i do next after downloading material design components using "git clone https://github.com/material-components/material-components-web.git"
And i have navigated into the material-component-web directory using "cd material-components-web"

Should i just do this
npm install to get it working
Because i realize that inside the demo folder there are html, js and scss file. For example, the button.html file has no styling when opened on the browser
Can't i just compile the .scss file to .css file using sass cli like so:
sass style.scss style.css on my command line
Or is there a way to compile everything once

I am not on PC now but I suggest you google "how to link materials design CSS" it should give relevant result. most of these things are done dynamically using js nowadays.