Installation Type

Installation Help
Choose the installation type that best meets your needs. If you want to add or remove groups or packages, select "Customize now" before clicking "Next."

Additional Repositories
You can select, add, or modify repositories at this screen, only if you are doing some type of network install, or are using the single "Install-DVD"
WARNING:
If you are installing using the "Everything-DVD", which has multiple DVD's, you *cannot* use any repository other than the one selected by default.