Oracle recommends migrating to Oracle Database 19c (the long-term release) for security and performance. Use 11.2.0.4 only as an intermediate step.
It was released in August 2013 and remains the last officially supported patchset before Oracle declared “Premier Support” ended (for 11gR2) and moved to “Extended Support” (which ended for most platforms by 2020) and finally to “Sustaining Support.” oracle database 11g release 2 112 04 download fixed
For Windows x64:
"11g Release 2," Sarah said, her voice trembling. "But the patch level... it’s ancient. We’re on 11.2.0.1. It hasn't been supported in a decade." Oracle recommends migrating to Oracle Database 19c (the