If I understand your question, you need to install Oracle 9.2 Client on a Windows 2003 64-bit platform to allow connectivity to a database that resides on another Windows server. You should be able to download the Oracle 9.2 Client (32-bit) from OTN at this location.
I believe Oracle does support running 32-bit client software on the Windows 2003 64-bit operating system for release 9.2 and onward.
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