You can open a second display window from within the application by selecting the Open New Window option in the File menu. You will need to log on to the new display unless you have the software configured to automatically log on with a pre-configured VistA access/verify codes. Both applications share the same configuration file, so settings changes made to one will impact the other. You can, however, have the two applications displaying cases for different dates. This is the most common reason for displaying two application windows.