Dear ptrblck,
Thank you for your reply and kind comment.
Here is the subfolders below the data folder:
C:\Users\petro\Anaconda3\pretrained-models.pytorch\data


dir
2018/10/22  21:15              .
2018/10/22  21:15              …
2018/10/22  21:15            80,725 cat.jpg
2018/10/22  21:15            26,474 cat_224.jpg
2018/10/22  21:15            18,439 croco.jpg
2018/10/22  21:15            10,998 imagenet_classes.txt
2018/10/22  21:15            58,552 imagenet_synsets.txt


Thank you.