Review the Support Hub (Suggested)

Navigate to this URL - https://hexawise.com/support - and take a look at the 3 sample articles/videos in each section

Watch both Introduction to Pairwise Testing videos Part 1 and Part 2

Video 1

https://youtu.be/kFH4QnymGGc

Video 2

https://youtu.be/Za5aQAMIq_g