A couple of steps to get Kali Rolling with Xfce running (on x86_64 devices) - dnschneid/crouton GitHub Wiki

sudo crouton -r kali-rolling -t audio,core

sudo enter-chroot -n kali-rolling

a. sudo apt install curl

b. sudo curl -O "http://http.us.debian.org/debian/pool/main/x/xbindkeys/xbindkeys_1.8.6-1_amd64.deb"

c. sudo apt install ./xbindkeys*

d. exit

sudo crouton -r kali-rolling -t xfce -u