Procedure to switch from Normal Start Menu to Classic Start Menu

Whenever you install Windows operating system for first time or re-installing Windows operating system you will see the start menu as default Normal Start Menu.

To change this to "Classic Start Menu".

Hold the WINDOWS Key and press R or go to START and click on RUN  to open RUN window . Type CONTROL in the RUN window to open CONTROL PANEL.

Double click on "Taskbar and Start Menu" icon to open "Taskbar and Start Menu Properties".

In the "Taskbar and Start Menu Properties" window, click on Start Menu tab and select the "Classic Start Menu". Click on APPLY and OK to close the window. 

Click on Start to see the "Classic Start Menu"