Change to the hcts.2.3 directory.
Become superuser.
$ su
Run the installation script.
# ./install.hcts
Press Enter when prompted by the installation script.
Watch for any error messages and respond to any prompts accordingly.
The installation script verifies that no previous version of HCTS is on your system. If an old version of HCTS is installed, go to Uninstalling the HCTS Application.