This set of data will be of interest for you when you are familiar with setting up Abaqus input (.inp) files in legacy versions of HyperMesh (here: 2019.1) and want to start doing so with the new interface in a later version (here: 2022.3)
It is meant to inform you about changes you will see in:
Model data is available additionally for you to review and reproduce these changes.
Have a look at the attachments of this article: The pdf is informing you about the changes, and the 7z file contains the model data (referenced at the bottom of respective slides of the pdf).