OS 64bit and Oracle 10G with Patch are 32bit

Hello Experts
My problem little bit typical. I am new in Oracle.
I am going to install Solution Manager 4.0 with Oracle 10G on Windows 2003 64bit, IBM x3650 Server.
I have already installed Oracle 10G 32bit, with 32bit patches,. It’s a general Oracle without sapserver.cmd file, so I have installed with setup.exe file. I have mounted the database, created the listener.
New there are three directories  1) D:\Oracle\Product\10.2.0\admin\DEV10\adump, bdump………etc. db\admin
2) E:\Oracledata\DEV10\control01.ctl, 02.ctl…………etc.
3) G:\ Archives
Now I am trying to install SOLMAN with sapinst.exe 64bit windows, after giving the export path, it shows the massage ‘Oracle software not installed. Install oracle software first.’ Means SAP does not recognizing Oracle.
After that I am trying to install with sapinst.ext 32bit, now it is excepting the export path. After two steps it is asking for Kernal & Oracle client path. What is oracle client? I think it is asking for OCL10264.SAR file.
My Questions are:
1. I have to download form market place 32bit or 64bit file?
2. My oracle installation is proper or not.
3. Where I have to uncar that file. Please provide me the proper path, step by step.
4. I am going to the right direction or I am a wrong. Please help me ….. I don’t want to format the machine.
Please explain me in details step by step. I am in the problem, I have no friends in this line. 
Best Regards

> My Questions are:
> 1. I have to download form market place 32bit or 64bit file?
if you're installing on 64bit you need to install the 64bit Oracle binaries. And not only those but the actual patch and the necessary interim patches before you can start to load the database. Additionally you should use the provided script to install the database, not setup.exe
Additionally you will need a 64bit JDK from Sun (avaible on the link in note 941595).
> 2. My oracle installation is proper or not.
No - you need a 64bit Oracle - and not the installation CDs downloaded from the Oracle site but those from SAP.
> 3. Where I have to uncar that file. Please provide me the proper path, step by step.
Where you have to uncar WHAT file?
> 4. I am going to the right direction or I am a wrong. Please help me ….. I don’t want to format the machine.
The proper approach would be to download the installation guide at
and read all the installation notes, download the patches and install them as suggested in the guide before trying to start the installation. The preparation and planning of the system will take some time before you actually start to install.
A SolMan installation is no Microsoft Office where you do "setup - continue - continue - finish"...

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