: Log in to the Red Hat Customer Portal with your Red Hat account.

The “RHEL 6.5 updated ISO download” is not recommended unless obtained directly from Red Hat with a valid subscription. Unofficial versions are a security risk and legally questionable. For modern use, pick a supported RHEL 8/9 or a free rebuild like AlmaLinux.

: If you do not have a paid subscription, you can register for a no-cost Red Hat Developer Subscription developers.redhat.com