nixCraft published a tutorial about installing less on CentOS, RHEL, or Fedora.
How to install less on CentOS / RHEL / Fedora
Explains how to install less utility on a CentOS or RHEL (Red Hat Enterprise Linux) or Fedora Linux system using the yum/dnf command-line option.
How to install less on CentOS / RHEL / Fedora - nixCraft