⟩ How To Install Oracle ODBC Drivers?
Oracle offers different ODBC drivers for different versions of Oracle servers. When you install an Oracle server or a client tools on your Windows system, the appropriate ODBC driver will be installed for you automatically.
If you want to install a specific ODBC driver, you need to go to http://www.oracle.com/technology/software/tech/windows/odbc/index.html. Download the right ODBC driver and follow the instructions to install it.