Reply to TSI & TKS Files

I'm running Traktor Pro on a Mac and just upgraded the firmware on my Vestax. Checked that I now have 1.3 and can swap back to 1.2 (which is useful as I am still using Traktor 3 while I dip my toes into Traktor Pro).

Not sure I've got the set up correct and am a bit confused about talk of tsk and tsi files. I went to the link for the the latest TSK files and took the suggestion to "Please Use this one". I clicked on one of the two links and it downloaded a tsi file. (although it had the appearance of a Power Point File)

This seemed to upload okay by opening the Traktor Preferences and hitting the Import button. Then as I started working through the video tutorial I got the feeling that not everything was working as it should so decided to revisit the TSK page and see if maybe I should download something from the other link as well.

Clicked on one link and it simply gave me a page of text while the other link downloaded a TSK file which apparently can not be imported into the Midi Preferences.

A bit of clarification would go a long way with me.
Thanks for the support.