Windows 7 is 64 bit platform.
it is for vista .i need to install in windows 7 .so let me know for windows 77777777777777777777777.
oracle site says.
Oracle Database 10g Release 2 (10.2.0.3/10.2.0.4)
Enterprise/Standard Edition for Microsoft Windows Vista, Windows Server 2008, Windows 7
and x86 means it is for 32 bit OS.
the file anme is
because when that version of oracle was release, Windows 7 was not in the market.