This is a recovery installer:
✔ Support for AvoKey, must be plugged in before upgrading.
✘ To downgrade to previous versions, please see release notes.
⚠ Relicensing required, please allow 48 hours for upgrade.
⚠ Show files may be deleted, please backup first.
⚠ Only one historical software version maintained.

This is an upgrade installer:
✔ Upgrade consoles running v12.0 recovery.
✔ Faster install and simpler install experience, allow 2 hours.
✔ Does not require relicensing.
⚠ Requires AvoKey, must be plugged in before upgrading.