How to upload images to my Netlify site?

Hi, I am very new to Netlify, and am attempting to make a simple site, just a couple lines of html.
I understand that it is required to have a folder with index.html, but i would like to add an image to that index file.
How would I go about this?
this is the index in question:

This post and the users statistics are as suspicious as the average bot.

@mrarcherwade If you’re actually a real person, you could use any tutorial on the internet, for example: