Download !!top!! | Oracle Instant Client

| Database Server Version | Recommended Instant Client Version | |------------------------|-------------------------------------| | 19c or 21c | 21.x (latest) or 19.x | | 12c / 18c | 18.x or 19.x | | 11g | 12.x (legacy) | ⚠️ : Use the same major version as your database server, but later client versions are generally backward-compatible with older databases (e.g., 21c client works with 19c DB). 3.3 Choose Operating System and Package Type Click your OS (e.g., Microsoft Windows x64 or Linux x86-64 ). You will see several package options:

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Get-FileHash instantclient-basic-windows.x64-21.13.0.0.0dbru.zip -Algorithm SHA256 Compare against Oracle's published hash on the download page. For automation/headless servers, use curl or wget with a pre-generated download link (requires session cookie): download oracle instant client