are you asking about it's purposes and options?
Start Menu 8 is a desktop customized tool for Windows users, specifically designed to bring back the familiar Classic Start Menu to Windows 8/8.1 & Windows 10. It offers a convenient and simple solution to freely switch between the latest Window 10 start menu and Windows Classic Start Menu. It also provides multiple start menus for Windows 7/Vista/XP. With the improved searching engine, you can quickly and easily access your apps and files from start menu. Start Menu 8 allows for more customization with just a few clicks, which provides the options to skip Modern UI & Welcome on Windows 8.1 and customize your taskbar any way you like on Windows 10.