Unlike standard installers, the Instant Client is "installed" by extracting files and setting system variables.
This registers the Oracle driver with the Windows ODBC Data Source Administrator. download oracle odbc driver for windows 64 bit
Connecting your Windows applications to an Oracle database requires the right driver architecture. To ensure a seamless connection, you must download and install the package designed for 64-bit systems. Step 1: Download Required 64-bit Packages Unlike standard installers