Oracle also provides all supported database release software for all platforms on the Oracle Software Delivery Cloud: https://edelivery.oracle.com
Oracle Database 19c is the latest Long Term Release with the widest window of support duration. For details about database releases and their support timeframes, refer to Oracle Support Document 742060.1 (Release Schedule of Current Database Releases) on My Oracle Support.
19.5 - Enterprise Edition (also includes Standard Edition 2)
19.3 - Enterprise Edition (also includes Standard Edition 2)
Oracle Database 21c is the latest Innovation Release. For details about database releases and their support timeframes, refer to Oracle Support Document 742060.1 (Release Schedule of Current Database Releases) on My Oracle Support.
21.3 - Enterprise Edition (also includes Standard Edition 2)
Oracle Database 10.2, 11.x, 12.x, and 18c are available as a media or FTP request for those customers who own a valid Oracle Database product license for any edition. To request access to these releases, follow the instructions in Oracle Support Document 1071023.1 (Requesting Physical Shipment or Download URL for Software Media) from My Oracle Support. NOTE: for Oracle Database 10.2, you should request 10.2.0.1 even if you want to install a later patch set. Once you install 10.2.0.1 you can then apply any 10.2 patch set. Similarly, for 11.1 request 11.1.0.6 which must be applied before installing 11.1.0.7. Patch sets can be downloaded from the Patches and Updates tab on My Oracle Support.