Download the zip folder and unzip it
Open Slicer 3D -> extensions and install the nnUNet extension
Restart Slicer 3D
Find the 2nd 'segmentations' option in the drop-down menu(This should be nnUNets)
In the left setting window, open 'nnUNet Install' and install nnUNet
Once finished, point 'Model Path' towards the location where the unzipped folder from step 1. is located
Pick fold and write "checkpoint_final.pth" for the checkpoint name
Load a volume file into… See the full description on the dataset page:
https://huggingface.co/datasets/TKendel/nnUNet-MRI.