It has a new touch user interface and shell based on Microsoft's Metro design, featuring a new Start Screen with a grid of dynamically updating tiles that represent applications.
In the standard display, not all Application shortcut appear , only the main Application.
To show All Start Menu Program in Windows 8 :
Right click your mouse with it's cursor where ever on the screen what you want, then All Apps menu will appears
Click All Apps, then all start menu programs will appear.
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