Start with the official installation guide and compare your computer’s GPU and memory with the requirements. Local ComfyUI is open source; optional hosted services are separate.
A workflow connects nodes: load a compatible model, provide input, run the process and save the output. Begin with the official image-generation example rather than an unknown downloaded workflow.
Image processing and supported video workflows are possible with suitable models and nodes. Not every model creates video. Model licences and sizes vary; review them before downloading. Third-party custom nodes execute code, so install only sources you trust.
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