Red Hat Enterprise Linux (RHEL) is a Linux Operating System developed by Red Hat. RHEL is generally aimed at the commercial market. Red Hat Enterprise Linux is available for multiple platforms including x86, x86_64, PowerPC, IBM pSeries and IBM System z (Mainframe).
The following Red Hat Installation guide can be used for installing a Red Hat 7.7 GUI with Server configuration with a custom disk and Static IP addressing scheme.
To register and download your evaluation copy of Red Hat Enterprise Linux, simply follow this Link : https://www.redhat.com/wapps/sso/login.html
If you wish to try RHEL 7.7, you can download an evaluation copy giving you a full 30 day free trial (including updates).