For most users connecting to modern Oracle databases, download the and Instant Client ODBC (64-bit) packages. Extract them to a dedicated folder, add that folder to the System PATH, and run the odbc_install.exe as Administrator.
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The full "Oracle Database Client" (1GB+) is no longer recommended for most use cases. The "Instant Client" (approx 150MB total) is the modern, lightweight standard. For most users connecting to modern Oracle databases,