Get the Oracle Database Installation Guide

Open or download the installation guide for your operating system:

• For version 19c— https://docs.oracle.com/en/database/oracle/oracle-database/19/install-and-upgrade.html
• For version 12.1.0.2—https://docs.oracle.com/database/121/nav/portal_11.htm
• For version 12.2.0.1— https://docs.oracle.com/en/database/oracle/oracle-database/12.2/install-and-upgrade.html