Here are the main features: Highly customizable start menu with multiple styles and skins Quick access to recent, frequently-used, or pinned programs ... look at all the features of Open Shell ...

Select all the duplicate entries ... icons on Windows 11/10, open the File Explorer and navigate to this path: C:\ProgramData\Microsoft\Windows\Start Menu\Programs. From here, you will find ...

but not all, of the applications in the Start menu. Since a one-for-one correlation did not exist, the Open function only confused people, and it was abandoned in Windows 7. See Program Files.