Updating Kali is simple as the commands remain the same when updating throughout different versions (2016.x and 2017.x).
In a new Terminal, we type apt-get update and press Enter. The sudo apt-get update command may have to be used to provide admin privileges if the former does not run successfully.
We then attempt to install Xplico by typing apt-get install xplico (or sudo apt-get install xplico):
If an error is encountered, as seen in the following screenshot, we must update the Kali Linux repositories by first updating our sources list and then running the apt-get update command again. To update the sources ...