You can setup printer to rotate it for you automatically. 

For Mac

Open a desired file and printing -> click "Show Details" -> select printing direction in "Orientation"

For Windows

Go to "Control panel" -> "Devices and Printers"

(Right click on "This PC", choose "Properties", then click on "Control panel"-> "Devices and Printers")





-> Right click on "4BARCODE 4B-2064A" -> choose "Printer Preferences" 



-> Select printing direction under "Orientation"