Download this Windows 8 program to restore the start menu and follow the guide.Then Follow the instructions below
Download and install the program
Click Continue
Click the Start Button to pin the program
Scroll Down and click the arrow to browse the hidden program, and click the Start button
This is the Final Start Menu Item
Done! Practice and master it to your Windows 8 Computer and your missing start menu appear while retaining the precious value of Windows 8 OS.
If you want to restore the original Windows 8 Interface, just uninstall the program located in Program/Features at Control Panel.