The codes in the disk don’t need downloading, only for your fast study. If you need the latest codes, please go to github to download as following methods.
① Change directory to /home/pi.
Note: cd, short for change directory is to change from the current path to the intended directory. Informally, here is to go to the path /home/pi/.
② Clone the repository from github.
git clone https://github.com/sunfounder/picar-4wd