Installation CST2006 in x64 xp professional

I tried install CST2006 in x64 xp system, but failed. Anybody here can do this job?X64 system can use very large RAM and almost infinte virtual memory.

I did already and use it now.
I'd like you to describe the detail of the problem.
It didn't make any problem in my xp64 system.
My System.
CPU: Intel 930 (3.0GHz dual)
RAM: SAMSUNG DDR2 4GB
OS : Microsoft XP64 Professional
and so on.