Win 7 64 位系统 装 32位Oracle 可以成功， plsql 没发现问题。装 的Oracle 版本是10203_vista_w2k8_x86_production_db.zip
在安装包的修改配置 按百度的来就行
Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (32-bit)
http://download.oracle.com/otn/nt/oracle10g/10201/10201_database_win32.zip http://download.oracle.com/otn/nt/oracle10g/10201/10201_client_win32.zip http://download.oracle.com/otn/nt/oracle10g/10201/10201_clusterware_win32.zip http://download.oracle.com/otn/nt/oracle10g/10201/10201_gateways_win32.zip
Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Microsoft Windows (x64)
http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_database.zip http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_client.zip http://download.oracle.com/otn/nt/oracle10g/10201/102010_win64_x64_clusterware.zip
Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Linux x86
http://download.oracle.com/otn/linux/oracle10g/10201/10201_database_linux32.zip http://download.oracle.com/otn/linux/oracle10g/10201/10201_client_linux32.zip http://download.oracle.com/otn/linux/oracle10g/10201/10201_gateways_linux32.zip
Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Linux x86-64
http://download.oracle.com/otn/linux/oracle10g/10201/10201_database_linux_x86_64.cpio.gz http://download.oracle.com/otn/linux/oracle10g/10201/10201_client_linux_x86_64.cpio.gz http://download.oracle.com/otn/linux/oracle10g/10201/10201_clusterware_linux_x86_64.cpio.gz http://download.oracle.com/otn/linux/oracle10g/10201/10201_gateways_linux_x86_64.cpio.gz
Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for AIX5L
http://download.oracle.com/otn/aix/oracle10g/10201/10gr2_aix5l64_database.cpio.gz http://download.oracle.com/otn/aix/oracle10g/10201/10gr2_aix5l64_client.cpio.gz http://download.oracle.com/otn/aix/oracle10g/10201/10gr2_aix5l64_cluster.cpio.gz http://download.oracle.com/otn/aix/oracle10g/10201/10gr2_aix5l64_gateways.cpio.gz
Oracle Database 10g Release 2 (10.2.0.2) Enterprise/Standard Edition for Solaris Operating System (x86)
http://download.oracle.com/otn/solaris/oracle10g/10202/10202_database_solx86.zip http://download.oracle.com/otn/solaris/oracle10g/10202/10202_client_solx86.zip http://download.oracle.com/otn/solaris/oracle10g/10202/10202_clusterware_solx86.zip
Oracle Database 10g Release 2 (10.2.0.1.0) Enterprise/Standard Edition for Solaris Operating System (x86-64)
http://download.oracle.com/otn/solaris/oracle10g/10201/x8664/10201_database_solx86_64.zip http://download.oracle.com/otn/solaris/oracle10g/10201/x8664/10201_client_solx86_64.zip http://download.oracle.com/otn/solaris/oracle10g/10201/x8664/10201_clusterware_solx86_64.zip