Downloading Release Update Patches
Download and install Release Updates (RU) and Monthly Recommended Patches (MRPs) patches for your Oracle software after you complete installation.
Oracle provides quarterly updates in the form of Release Updates (RU) and Monthly Recommended Patches (MRPs). Oracle no longer releases patch sets. For more information, see My Oracle Support Note 2285040.1.
Check the My Oracle Support website for required updates for your installation.
Parent topic: Required Postinstallation Tasks