Upgrade Guide with ISO and Template
###################################


.. toctree::
   :maxdepth: 1

   /src/user/src-user-install-index-upgrade-ISO-whatsnew



.. important::

   This guide is *only* used to upgrade to a major version release, for example, 24.x, 25.x. For Patch Bundle 
   upgrades, use the *Upgrade Guide with Delta or Patch Bundle* document.


********************
Prepare for Upgrade
********************



.. toctree::
   :maxdepth: 2

   /src/user/install/upgrade-ISO-before-upgrade
   /src/user/operations/concepts-data-migration-upgrade
   /src/user/platform/reference-screen-command
   /src/user/platform/reference-tmux-command
   /src/user/install/automate-system-hardware-specification 


**************************
Upgrade (all topologies)
**************************

.. toctree::
   :maxdepth: 4

   /src/user/install/upgrade-ISO-all-topologies