Enabling Tap to Click on Kali Linux 2016.2 for Synaptics Touchpad

To enable tap to click on Kali Linux 2016.2 for Synaptics touchpad, follow these steps:
1- Install xserver-xorg-input-synaptics:
Run the following command in the terminal:

sudo apt install xserver-xorg-input-synaptics{codeBox}

2- Add Option "TapButton1" "1" to /usr/share/X11/xorg.conf.d/70-synaptics.conf under Section “InputClass”:
Open the file with Leafpad:

leafpad /usr/share/X11/xorg.conf.d/70-synaptics.conf {codeBox}

3- Optionally, to enable scrolling, add:

Option "VertEdgeScroll" "1"
Option "HorizEdgeScroll" "1"{codeBox}

4- Logout or reboot 

That is all :)