What is Windows operating system taskbar
Taskbar is the horizontal line appeared on the bottom of desktop.you can change location of taskbar on screen from taskbar properties. It displays start button, active application, inactive icons,power option,windows sound icon, date/time etc.
Image of taskbar
How to open taskbar and start menu properties
How to change taskbar and start menu properties
change start menu properties How to add toolbar
Lock or Unlock taskbar
If you want to keep position of task bar lock at particular side(buttom,left,right,above) then you can use lock taskbar option.