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Requirements and Installation | ComfyUI

Before you get started with ComfyUI, review the following requirements, then follow the ComfyUI installation instructions below.

The document discusses legacy ComfyUI instead of V1 so you may experience a difference in UI in newer versions.

Estimated time to complete this section is ~20min depending on internet connection.

  1. Check your hardware matches the Technical Requirements for the Omniverse Platform.
  2. Install ComfyUI by following the installation instructions on their Github page.
    1. Windows - It is easiest to install the portable standalone build for Windows, however a manual install will also work.
    2. Linux - Use the manual install method.
  3. Install ComfyUI Manager by following the installation instructions on their Github page. Pay special attention to the different methods.
    1. Windows with the portable version of ComfyUI should choose method 2.
      1. Skip to step 2 and save the link directly to avoid having to install git.
    2. Windows or Linux with a manual install, choose method 1.
  4. Download and install the required models and supporting files.
    1. Download the RealVisXL_V4.0_Lightning model file RealVisXL_V4.0_Lightning.safetensors.
      • Move the file to the ComfyUI installation folder under ComfyUI\models\checkpoints\.
    2. Download the ControlNet Union model diffusion_pytorch_model.safetensors.
      • Move the file to the ComfyUI installation folder under ComfyUI\models\controlnet\.
    3. Download or locate the example files provided for this workflow from the synthetic-data-examples on Github.
      1. If you cloned this repository, the sample files can be found in the cloned repository file location under {blueprint-repo/kit-streamer/source/extensions/omni.ai.viewport.core/data/sample_files}
        1. OR download them directly here- Sample files
      2. The ComfyUI graph, latest_example.json at {blueprint-repo/kit-streamer/source/extensions/omni.ai.viewport.core/data/latest_example.json}
        1. OR download directly here - latest_example.json
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