how can i install photoshop shortcuts in the gimp portable?

Hi

i like a lot the gimp , and the portable version is awesome , i can have always with me

i have the gimp 2.6.12 portable
and i found http://epierce.freeshell.org/gimp/gimp_ps.php

ps-menurc should be rename and copied like menurc

but i don't know where

thanks
cheers