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ComfyUI Installer

ComfyUI Installer

A fully automated installer that sets up ComfyUI as a Windows service — including Python, CUDA-enabled PyTorch, and everything needed to host it on a dedicated server.

Free Windows v1.0 Requires Admin CUDA 13 / cu124 fallback
Requirements
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Windows 11 Windows 11 (64-bit) is required. Windows Server 2022/2025 also supported.
Required
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NVIDIA GPU with CUDA 13 support Requires an NVIDIA GPU supported by CUDA 13 (RTX 20-series or newer recommended). The installer auto-detects your GPU and falls back to cu124 wheels if CUDA 13 wheels are not yet available for your card.
Required
🔑
Administrator privileges The script must be run as Administrator to install services, open firewall rules, and write to program directories.
Required
What it does
Zero-prerequisite setup Installs Git and Visual C++ Runtime via winget if missing — no manual prep required.
Self-contained Python Installs Python 3.11 in an isolated directory — your system Python is never touched.
Auto CUDA detection Detects your NVIDIA GPU and installs PyTorch with CUDA 13.0 wheels; falls back to cu124 if 13.0 wheels are not yet published.
Runs as a Windows service Registers ComfyUI as an auto-start service via NSSM on port 8188 with rotating log files.
Firewall & shortcut Opens the inbound firewall rule for port 8188 and creates a desktop shortcut pointing to your LAN IP.
Server-ready hosting Designed to run on a dedicated Windows server — auto-starts on boot, survives reboots, and exposes ComfyUI across your local network.
What gets installed
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ComfyUI Cloned from GitHub into [Drive]:\Ollamafy\ComfyUI with all standard model subdirectories created
github.com/comfyanonymous
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Python 3.11.9 (embeddable) Installed inside [Drive]:\Ollamafy\ComfyUI\python — fully isolated from any system Python
self-contained
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PyTorch + CUDA 13.0 Installed into a venv at [Drive]:\Ollamafy\ComfyUI\venv; falls back to cu124 if cu130 wheels aren't published yet
NVIDIA GPU auto-detected
🔧
NSSM — Windows service manager Downloaded and used to register ComfyUI as an auto-start service; installed to [Drive]:\Ollamafy\nssm
nssm.cc
Screenshot
ComfyUI Installer screenshot
Also Checkout
ComfyDownloader
ComfyDownloader A Windows GUI application for searching and downloading AI models from Civitai and HuggingFace directly into your ComfyUI installation.
About ComfyUI
🙏

ComfyUI was created by comfyanonymous — the powerful, node-based Stable Diffusion interface that makes everything here possible. If you want the official installer or prefer to set up ComfyUI directly from the source, visit the official site.

comfy.org — Official ComfyUI installer & downloads

Download the Installer

Run it once as Administrator and ComfyUI is fully installed and running as a Windows service.

Download Installer Download Source How-to installation guide