If you have installed PowerServer (PB Edition) 2017, 2017 R2, or 2017 R3, you can upgrade to PowerServer (PB Edition) 2019.
Note that applications deployed with the old version and the demo applications must be redeployed with Appeon PowerServer 2019 after the upgrade.
Before upgrading to Appeon PowerServer 2019, upgrade the system environment as required in Installation requirements.
In addition to the system environment requirements, you should meet the installation prerequisites listed in Appeon new installation before upgrading each component.