My configuration :

Intel I7 / 32 GB RAM / RTX 3070 8GB VRAM

SSD 2TB / PYTHON 3.12.6

NO
XFORMERS. I'm not against xformers. I installed it on a previous
configuration with Python 3.10. I recently changed Python version by
adding a new venv to my existing Comfyui. It took me long enough on
personal time so I just didn't feel like going further.

Requires Ollama, recommended with a uncensored llm like dolphin-mistral :  https://ollama.com/

In my set up, I set the OLLAMA_HOST system environment variable, but this is not mandatory. If you serve your ollama on your own PC, 127.0.0.1 will do just fine.

I download my upscalers from :  https://openmodeldb.info/

I'm using this workflow to make very specific type of images for my own fun, but I'm pretty sure this can do anything.