Creating a live boot usb drive

Can you help me understand this Computer Science question?

1. Download a copy of the latest edition of Linux Mint and create a live boot USB drive. Instructions are available from: http://www.ubuntu.com/download/help/create-a-usb-stick-on-windows
   1. Instructions for booting in a UEFI environment can be found here: https://www.lifewire.com/create-uefi-bootable-linux-mint-usb-2202084
   2. I need screenshots on a step by step basis.