[knc1]

Originally Posted by readandread

As I understand this post here: https://www.mobileread.com/forums/sho...89#post2278589

It requires Collection manager as a first step and CM requires FW 3.5.3.

It says to follow the directions.

Which is evidently intended to mean that you should install the same prerequisites that all of our active documents require.

Should have everything covered in the KUAL prerequisites package (KUAL is also an active document).
And it was recently re-packaged this week.