How to use a 32bit Oracle11_g client in 64 win system and not conflict with sqldeveloper 64 bit tool

At the path:C:\app\USER_NAME\product\11.2.0\client_1\sqldeveloper\sqldeveloper\bin, there a file 'sqldeveloper.conf' (The path of setup oracle_11g client),open and add a row like this(the red row):IncludeConfFile ../../ide/bin/ide.confAddVMOption -Dapple.laf.useScreenMenuBar=true AddVMOption