If  you have installed the latest version of Ubuntu 18.10 you might have come across to the issue of not having your Right Click button not working. But this not a serious problem. And the people have also faced the same issue in the 18.04 version. So you can follow the same steps below even if you are using Ubuntu 18.04. So lets get into it. 

Step 1: Go the ' Ubuntu Software ' and Search for 'GNOME Tweaks' .


Step 2: Install the application and Launch the application.

Step 3: From the sidebar select ' Keyboard and Mouse ' . Under 'Mouse Click Emulation' select 'Area'.



Thats it. Your problem is solved.
Comment down below if you have any doubts.