Wordpress is part of the LAMP stack, and there are easy tools like XAMP to get you up and running locally. With a tutorial it should be doable. It’s probably better if you get hosting with auto-install if you’re really averse to tinkering.
That said I wonder why you’d need Github Pages if you’re already set up with Wordpress...
That said I wonder why you’d need Github Pages if you’re already set up with Wordpress...