Traditionally, the 10.2.0.5 patch set was identified by Patch 8202632 .

Shut down all listeners, databases, and management agents running from the target home.

The remains a vital piece of software for those maintaining historical enterprise systems. While the download is now "exclusive" to those with active support contracts via My Oracle Support, the stability it provides for 10g environments is unmatched.

The Oracle Database 10g Release 2 (specifically version 10.2.0.5) represents a landmark in the history of relational database management systems (RDBMS). Even years after its initial release, many enterprise environments continue to maintain legacy systems built on this robust architecture.

For the base installation media (10.2.0.1), users typically visit the Oracle Software Delivery Cloud (formerly E-Delivery). However, please note that Oracle frequently retires older versions from public view, moving them to an "Archive" status that requires a formal request to support. Installation Prerequisites for 10.2.0.5

Finding a legitimate download for a legacy product like 10.2.0.5 can be difficult because Oracle has moved it to their "Archive" and "Extended Support" tiers. 1. Oracle My Support (MOS)