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Comfy Desktop can run on Linux, but there is no official published Linux installer yet. The Downloads page ships Windows and macOS only. On Linux, clone the Comfy Desktop repository and run it from source.

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System Requirements

  • OS: Linux (Ubuntu 22.04 or later recommended)
  • Architecture: x64
  • Node.js: v22 LTS or later
  • pnpm: v10 or later (enable with Corepack)
  • GPU: A dedicated GPU (NVIDIA / AMD) is recommended, but not required
  • Disk Space: At least 4.85 GB recommended per ComfyUI installation

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Build and run from source

These steps match the Development section in the repository README.

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Prerequisites

Install Node.js 22, then enable pnpm:
If you do not use nvm, install Node.js 22 from nodejs.org instead.

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Clone and install

pnpm run init installs dependencies and builds the bundled bootstrap Python.

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Start the app

This starts Comfy Desktop in development mode. The script sets ELECTRON_DISABLE_SANDBOX=1 because Electron’s sandbox often fails in Linux dev environments.

Next Step: Using Comfy Desktop

Once the app is running, learn how to create instances, manage installations, and configure settings.

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Updating

There is no in-app auto-update for a source checkout. Pull the latest code and start the app again:

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Optional: local package

To produce a local .deb or AppImage for yourself (not an official Comfy Org download):
Artifacts land in dist/. If an AppImage fails because Chromium cannot create a sandbox, retry with --no-sandbox. That flag disables Electron sandboxing for every process.

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Removing leftover data

Stopping the source checkout does not delete ComfyUI installations or app data. Delete these folders only if you want a complete cleanup: To fully remove everything:
  1. Delete the clone of Comfy-Desktop
  2. Delete the config folder: ~/.config/comfyui-desktop-2
  3. Delete the data, cache, and state folders: ~/.local/share/comfyui-desktop-2, ~/.cache/comfyui-desktop-2, and ~/.local/state/comfyui-desktop-2
  4. Delete individual installations from within the app, or manually delete ~/ComfyUI-Installs plus any custom installation directories you configured
  5. Delete the shared model library at ~/ComfyUI-Shared (only if you no longer need these files)