Kali – Touchpad Tapping not working

modprobe -r psmouse
modprobe psmouse proto=imps

make synaptics touchpad tapping settings permanent

sudo apt install xserver-xorg-input-synaptics
sudo nano /usr/share/X11/xorg.conf.d/70-synaptics.conf

Add the following line in the Section "InputClass":
Option "TapButton1" "1"

[strg]+[x] [y] [enter] to save file
reboot