without knowing your distrobution I will assume it is Debian based (ubuntu etc etc)
the 32bit libs package is: ia32-libs
installed via: apt-get install ia32-libs
they install to /usr/lib32
The 32bit regnum client is on the main download page:
http://regnumonlinegame.com/index.php?l=1&sec=6
Here is a direct download link:
http://download01.regnumonlinegame.c...lineInstall_32