The console shows
ReferenceError: THREE is not defined
You must respect the structure of the folders.
See
script src=“…/js/three.min.106.js”
in source code.
Or it is something with the configuration of your server?
See note @amitlzkpa How to add a .png texture to a cube - #2 by amitlzkpa
By the way, have you read this book? https://discoverthreejs.com/ by three.js co-author and moderator looeee