Hello. I just want to know the correct way to update Tixati portable without losing torrents list and configurations. Thank you!

Just manually replace the "Tixati_*" executable file with the updated version from the http://www.tixati.com/download/portable.html  package.

This is years old, but the suggestion still works.   Too bad we have to search the forums to figure this out.  Maybe a copy and paste of this info would be best to have on the download page??