SHELXTL Version 2019.11 ======================= The software is installed from a .RPM file. You have to be logged in as root to install, update, or remove the software from your computer. After the installation xs, xl, xshell, etc. can be started from the command line. Install: rpm -i shelxtl-2019.11-1.i386.rpm Update: rpm -U shelxtl-2019.11-1.i386.rpm Remove: rpm -e shelxtl