OpenVMS VAX Version 7.3

This manual provides comprehensive procedures for installing or upgrading the Compaq OpenVMS VAX operating system on standalone and VAXcluster configurations. It includes preparation checklists, step-by-step installation and upgrade instructions (covering booting, disk creation, and post-installation configuration), and information on licensing and tailoring the system with VMSTAILOR and DECW$TAILOR. Appendices provide technical details, boot procedures for various VAX models, and supplemental information on license management and small-capacity system disk handling.