Display the Status bar by selecting Show status bar in the Settings window.
When minimized the Status bar shows the latest status message.
Click Expand to show the Log Messages pane.
Message can be filtered by type (Messages, Warnings, Errors) or download them into a file using the Save log button. Logs can be deleted by clicking Clear log tab.
Scroll to the beginning of the log messages to find the Viz Multiplay version information.