Makerbot Print Software is free to download and use. There are other slicer software programs in the marketplace. You only need to use one that has settings for the 3d printer you are using.
Download Makerbot Print: https://www.makerbot.com/3d-printers/apps/makerbot-print/download/
Set up Print File
File format will be *.makerbot
Save to flash drive with your name as the file name.