If you are using the unpackaged linux version you should place these files someplace on your path.

There are several various linux distro specific packaged versions which you may want to investigate. See notes at bottom of guide.

Mac and Windows have clickable install packages.

You can also use this software on a chromebook if you have installed crouton/linux and follow the steps needed for a linux install in the crouton chroot of your choice. If you have experience with the xiwi functionality you can make it almost seamless with the chromebook user interface!