Best for administrators needing the full suite of tools (SQL*Plus, Networking, etc.). This can be found on the Oracle Database 19c for Windows page. Essential Packages Required
If you choose the Instant Client method, you download two separate ZIP files and combine them in the same directory: Installing Oracle ODBC Drivers oracle 19c odbc driver download
A lightweight, standalone package that provides full ODBC functionality without requiring a full database installation. Windows 64-bit: Instant Client for Microsoft Windows (x64) . Best for administrators needing the full suite of