You can install HP TCP/IP Services for OpenVMS software
on your system in either of the following ways:
From the OpenVMS installation procedure
menu, as part of the operating system upgrade or installation
As a layered application using the DCL command PRODUCT
INSTALL
Once TCP/IP Services software is installed successfully, you
invoke the menu-based configuration procedure, as follows, to configure
the software according to the unique characteristics of your system
and network:
$ @SYS$MANAGER:TCPIP$CONFIG
For detailed installation and configuration information, refer
to the HP TCP/IP Services for OpenVMS Installation and Configuration manual.
HP OpenVMS System Manager's Manual, Volume 2:... 
Network Considerations
