How do I use these infographics?

I found some amazing infographics that I want to perhaps use in a project but when I download the files, extract them and go to access the files themselves, all that is listed in each folder is a ds_store and a .key file. No AI, EPS or PPT file. What am I missing??

Here is a sample: https://elements.envato.com/circles-v-2-powerpoint-infographics-slides-LDYD2B

Here is an example of what I see when I extract the zip file:
image

Those are Keynote files - there are Keynote versions and PowerPoint versions:

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