To start learning LabVIEW, you should first run the tutorial that ships with it. The LabVIEW startup screen has a button that will launch it. Then I would suggest going
here and review your options for further training. There are NI courses, books, and on-line tutorials to choose from.
It would also help if you looked at the LabVIEW Measurements Manual. This is part of the LabVIEW Bookshelf you access from the LabVIEW help menu.
When you have a baisc understanding of how LabVIEW works, you can move to the driver you downloaded. It has a VI called tkds30xx Getting Started. You can immediately start to use this for control and waveform acquisition. This is high level application that contai
ns a subVI called tkds30xx Acq Wfm Edge Triggered.vi and that in turn contains a number of subVIs that break out some of the control and measurement functions. Go through these and the other subVIs that are part of the driver, decide what you need for your application and start putting them together.
I'm sure that you'll have more specific questions as you go along and that's what this forum is for. Good luck.