F1 opens the Help file if your PC is online. You will find a search function at the bottom of all help pages. You can either navigate to the topic that you are interested in via the buttons in the header if the PC is offline, or use the list of pages that you find at the bottom of all help pages (including this).
You can alternatively study the printer friendly manual
The DupSoft About dialog is explained on a separate page.
Please select the "Report problem" option, and follow the instructions in the message that is displayed, if you need personal advice/support from the helpdesk.