ComfyUI Complete Installation Guide - Starting Image Generation AI from Scratch on Windows Environment [December 2025]

This article provides a comprehensive guide to installing and setting up ComfyUI, a node-based visual programming tool for Stable Diffusion, on a Windows PC. It targets users with NVIDIA GPUs and aims to get them generating images quickly. The article outlines the necessary hardware and software prerequisites, including OS version, GPU specifications, VRAM, RAM, and storage space. It promises to guide users through the installation process, NVIDIA GPU optimization, initial image generation, and basic workflow understanding within approximately 30 minutes (excluding download time). The article also mentions that AMD GPUs are supported, although the focus is on NVIDIA.