WORK YOUR MOUSE THROUGH YOUR KEYBOARD

Step 1: Press 5 times right shift button 

Step 2: click on settings

Step 3: Go to MOUSE tab.

Step 4: tick on ( Use Mouse Keys) after that click on settings

Step 5: Do all think as given above in picture . Press OK.

Step 6: Click on Apply and OK.

NOTE : This is work on when the Numlock key is ON.

keys: As the directed in numeric keys , 5 is OK key , 0 is your select key.

Thank you