Because Oracle 9i is obsolete, the company has removed it from their standard download servers to prioritize supported versions like Oracle Database 19c or 23ai . Official Retrieval Options
For most testing or educational purposes, Oracle 10g (10.2.0.1) or 11g (11.2.0.1) are still available for download from Oracle’s edelivery site (with free OTN license for development). Many features and SQL syntaxes from 9i are backward-compatible. oracle 9i database 9.2.0.1.0 download
No. Oracle's software license agreement prohibits redistribution. Downloading from unofficial mirrors is a violation of copyright law. Because Oracle 9i is obsolete, the company has