This is an upgrade installer, there is not currently a recovery installer for this version: 
✔ Faster install and simpler install experience, allow 2 hours
✔ Does not normally require relicensing.
✘ Does not include additional performance increases from the recovery installer.

This is a recovery installer:
✔ Improvements to performance, recommended for large shows
✘ Longer and more complex install process, allow 48 hours
⚠ Relicensing required, please allow 48 hours for upgrade.
⚠ Show files will be deleted, user backup of show files required.
⚠ Only one historical software version maintained

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.

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.

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.

This is a recovery installer:
✔ Support for AvoKey, must be plugged in before upgrading.
✔ Fixes occasional rendering issue while using internal Capture.
✘ Longer and more complex install process, allow 48 hours.
⚠ 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.

This is a recovery installer:
✔ Support for AvoKey, must be plugged in before upgrading.
✔ Support for new hardware variations.
✘ Longer and more complex install process, allow 48 hours.
⚠ Show files may be deleted, please backup first.
⚠ Only one historical software version maintained.

This is an upgrade installer:
✔ Upgrade consoles running v12.0 or v15.0 recovery.
✔ Faster install and simpler install experience, allow 2 hours.
✔ Does not require relicensing.
⚠ Requires AvoKey, must be plugged in before upgrading.

This is a recovery installer:
✔ Support for AvoKey, must be plugged in before upgrading.
✘ Longer and more complex install process, allow 48 hours.
⚠ Show files may be deleted, please backup first.
⚠ Only one historical software version maintained.

This is a recovery installer:
✔ Support for AvoKey, must be plugged in before upgrading.
✘ Longer and more complex install process, allow 48 hours.
⚠ Show files may be deleted, please backup first.
⚠ Only one historical software version maintained.

This is an upgrade installer:
✔ Upgrade consoles running v16.0 recovery.
✔ Faster install and simpler install experience, allow 2 hours.
✔ Does not require relicensing.
⚠ Requires AvoKey, must be plugged in before upgrading.

This is an upgrade installer:
✔ Upgrade consoles running v16.0 or v17.0 recovery.
✔ Faster install and simpler install experience, allow 2 hours.
✔ Does not require relicensing.
⚠ Requires AvoKey, must be plugged in before upgrading.