After installing 19.3, immediately apply the latest from Oracle's patch site (requires support contract) or re-download a newer 19.x client from the same page (Oracle occasionally updates the zip). 7. Verification after download Check the SHA-256 checksum (example for Windows 19.3):
Since Oracle requires an account and their site structure changes, (e.g., "oracle-client-19c-free.exe" from random download portals). 1. The Official Download Link Go to: https://www.oracle.com/database/technologies/oracle19c-windows-downloads.html oracle client 19c download
You will see two main files:
Here is the official and safe way to download (19.3 and higher). After installing 19
(For Linux, change the URL to .../oracle19c-linux-downloads.html ) Scroll down to "Oracle Database 19c Client (19.3) for Microsoft Windows x64 (64-bit)" (or your OS). Get-FileHash V983063-01
Get-FileHash V983063-01.zip -Algorithm SHA256 You can find official checksums on Oracle's download page under the "Checksums" tab. Do not search for "Oracle Client 19c download free" on Google and click the first sponsored result. Many fake sites exist. Always use oracle.com domains only.