To silently install PowerServer, navigate to the PowerServer folder (PowerServer_x64 or PowerServer_x86), run SilentInstall.bat file to silently install PowerServer.
To confirm that the PowerServer (PB Edition) installation is successful, go to the Windows Start menu, and make sure the Appeon | PowerBuilder 2019 R3 | PowerServer shortcut menu is created; and then go and check the log file under C:\Windows\System32\AppeonInstallLog to determine if any error occurred during installation.
To silently uninstall PowerServer, navigate to the PowerServer folder (PowerServer_x64 or PowerServer_x86), run SilentUninstall.bat file to silently uninstall PowerServer.
De-activating license before uninstall
Before silently uninstalling PowerServer, make sure you have de-activated the license in PowerServer AEM. If the license is not de-activated when uninstalling PowerServer, the license may be locked and cannot be used to log in unless you manually log out the account (to deactivate license) on the Appeon Web site.