These are the current versions of the Rhinoceros Training Guides and models in the Tutorials panel. Rhino 6, 7 & 8 have the Tutorials command that opens the Tutorials panel. To access the models that these training guides use, there are two primary options.
The training guides have been designed for use with Rhinoceros 6 or later. The training files have been updated to open with Rhinoceros 6 or later.
“Later” means these work with Rhino 6, 7, and 8.
With this first option, Rhino will download each file when you select it from the Tutorials panel. See the details here:
As a backup, if you do not have Rhino installed, you can use these links.