For Windows to recognize the driver, you must update your system settings: Instant Client for Microsoft Windows (x64) 64-bit - Oracle

Contains the actual ODBC driver files.

If successful, you will see a message confirming the driver is installed.

To install the 64-bit ODBC driver via the Instant Client method, you must download two specific ZIP files from the official page:

Both packages must be the same version (e.g., 12.1.0.2 or 12.2.0.1). Step 2: Installation Process

Contains the core libraries (DLLs) required to run Oracle applications.

Finding and installing the is essential for establishing a connection between 64-bit Windows applications—such as Microsoft Excel, Power BI, or custom enterprise software—and an Oracle 12c database.