For those having a bit of a run-around trying to get Halo Infinite Campaign loaded on console, here's the dance that worked for me.
Goto My Games and Apps > Manage > Updates > At this point and update for Halo Infinite MP showed up around 3.9 GB
After the MP update is downloaded, highlight Halo Infinite > Menu Button (hamburger) > Manage Game and add-ons > Manage Installations > Select "Campaign" > Select "Save changes".
Goto My Games and Apps > Manage > Updates > At this point and update for Halo Infinite MP showed up around 3.9 GB
After the MP update is downloaded, highlight Halo Infinite > Menu Button (hamburger) > Manage Game and add-ons > Manage Installations > Select "Campaign" > Select "Save changes".