Usually the easiest way is to take the SD card out of the Arduino and attach it to your PC through an SD card reader. Some PCs come with SD slots and if your's doesn't you can buy a USB SD card reader for well under $20.
Usually the easiest way is to take the SD card out of the Arduino and attach it to your PC through an SD card reader. Some PCs come with SD slots and if your's doesn't you can buy a USB SD card reader for well under $20.