Copy to install folder

c:\Users\%username%\AppData\Local\Power-user\

Replace!

Enjoy!


P.S. About Library (Templates, Icons, Pictures, Charts, Map)

Go to About and enter a valid mailbox. Receive the code by email. Enter it. Then you can download all templates!

or use instruction from oficcial site 
https://support.powerusersoftware.com/support/solutions/articles/80000749380#Downloading-the-content-of-the-Library 

Enjoy!