You can easily copy a finished schedule from week to the next

Navigate to the Schedule page and select a week with a finished schedule. 

Select the copy button from the toolbar above the schedule page

Select the 'Copy Week' button in the drop down

Select the weeks you wish to copy the schedule forward to by ticking the desired boxes.

Select 'Remove the staff from shifts' if you just want the position and times moved forward.

Select the Copy button to finish the process. 

You can navigate to the selected week and the copied schedule will appear.