Oracle provides free installation guides:
A common mistake newcomers make is downloading the full database software when they only need to connect to a database that lives elsewhere. download oracle database
Downloading Oracle Database used to be a rite of passage—a test of patience. Today, it is streamlined, but the barrier to entry has shifted from "finding the link" to "understanding the licensing." Oracle provides free installation guides: A common mistake
Oracle Database Free is free for development, prototyping, and learning , but not for production use. Always read the license terms. Always read the license terms
Click the link for your OS.
(Note: Gerald Venzl’s lightweight images are legendary in the community for stripping away the bloat.)
This is where things get serious. If you are downloading , you are likely looking at the "Software Delivery Cloud."