Hi Jon,
You can download the one-minute clips. Amazon has not the best player, but the download in UHD.
Convert to Profile?
UV is the translation between 3D Objects and their surfaces, and 2D images. Each object-polygon has a “twin-uv-polygon” that works like a sub-image-frame for the texture.
I have to take a look if there is anything in terms of tutorials. Even if it is a “must-know” part, it is also the most (!) avoided content, so far I can tell looking back to around 15 years of mentoring C4D artists.
All the best