Next to the Option button lays the Help button. In drop-down list of Help menu there are Help, Product Page, DVD Knowledge, Purchase (for trial version), Update, and About.
Help - open Pavtube DVD Creator User Manual
DVD Knowledge – learn more about DVD standard and DVD authoring
Product Page – learn more information about Pavtube DVD Creator
Purchase – get retail version of Pavtube DVD Creator
Update – check for latest version
About – check for version and software information