V15.6 Porsche PIWIS failed to code panamera transmission?

Here is the solution to Porsche PIWIS Tester 2 diagnostic system failed to code/program panamera transmission module.

Problem:

One of our customer failed to program panamera transmission with Porsche PIWIS V15.6.

Solution:
Then we send him Porsche PIWIS V16.2 software CD, he successfully programmed the transmission module with this new version.

How to update Porsche PIWIS Tester to V16.2