Configure Now. Allows you to configure components that permit configuration at installation time.
Your Configure Now tasks include specifying the common server settings, and the configuration information for the components selected.
Some components cannot be configured during a Configure Now installation. If you are warned that you will need to configure these components after installation, click Next to proceed and see Chapter 6, Configuring Components After Installation.
Configure Later. You enter only the minimum values that are necessary for installing the packages.
The installer proceeds without doing further configuration. If you choose this option, skip to Running the Installer in Text-Based Mode.