Steps to follow:

• Download Model:

       Download any of the Flux NF4 model from here.Place it in ComfyUI/models/checkpoints folder (not UNET as other Flux models).

• Run & Update ComfyUI.
• Install NF4 loader Node:

        Go to ComfyUI manager-> Install via Git URL & paste the link: https://github.com/comfyanonymous/ComfyUI_bitsandbytes_NF4.git

        Open Command Prompt from anywhere and run pip install bitsandbytes. Or, go to ComfyUI/customnodes/ComfyUI_bitsandbytes_NF4 folder and run the command pip install -r requirements.txt on cmd.

        Go to Python site-packages folder. Default path is C:\Users\(your-user)\AppData\Local\Programs\Python\Python310\lib\site-packages and copy both bitsandbytes & bitsandbytes-0.43.3.dist-info folders and paste in ComfyUI\python_embeded\Lib\site-packages folder.

• Run & Update ComfyUI Again.

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