ok guys,
my version installed is 13.00.20 from 06/2012.
i downloaded this code from the shop:
"PowerArchiver 2012 - Personal - International
Version 13.00 released Jun 1, 2012"
when i open registering and enter this code, everytime again he ask me for trial or registering.
i think i will deinstall and reinstall the version 2011.