Using StableDiffusion has gotten extremely simple on Windows.
The core steps are to install Python 3.10 through the Microsoft Storem grab the A1111 web frontend and then grab a model file. With those three things you can start generating images.
Models can be downloaded from CivitAI.
A longer and better tutorial:
How to install Stable Diffusion on Windows
RestlessDiffusion's brilliant tutorials:
A guide for understanding the settings of txt2img
How to craft the images you want with A1111
I think the best way to learn things might be to find images using a specific model and re-create them yourself and play with the wordings and settings.