How the feature was removed on Windows 11

"When upgrading to Windows 11 from Windows 10 or installing Windows 11, some features may no longer be available or removed , " Microsoft stated.

Here are the details of the features that are no longer available on Windows 11:

1. Cortana will no longer be included in the initial launch experience or pinned to the Taskbar
2. Wallpaper is no longer transferred between devices when signed in with a Microsoft account
3. Internet Explorer is disabled. Microsoft Edge is the recommended alternative, equipped with IE Mode
4. Math Input Panel has been removed. Math Recognizer will install as required and includes both the math input recognizer and control. This change doesn't affect math in apps like OneNote
5. News & Interest is upgraded to Widgets, adding some new features.
6. Quick Status from the Lockscreen and related settings removed
7. S Mode is only available on Windows 11 Home
8. The Snipping Tool continues to exist, but the old design and functionality of the Windows 10 version will be replaced by the features of the Snip & Sketch application.
9. The Start menu has major changes on Windows 11 including the following limitations and removals:
   1. App-named folders and groups will no longer be supported and the layout cannot be resized
   2. Pinned apps and websites are not preserved after upgrading from Windows 10 to Windows 11
   3. Live Tiles removed, replaced with Widgets
10. Tablet Mode removed
11. The changed Taskbar functions include:
    1. The People button no longer appears on the Taskbar
    2. Some icons may no longer appear in the System Tray for upgraded devices, including previous customizations.
    3. The taskbar is locked at the bottom edge of the screen, cannot be changed vị
    4. Applications can no longer customize areas of the Taskbar
12. Timeline removed. Some similar features will be available on Microsoft Edge
13. The touch keyboard is no longer capable of attaching and unmounting keyboard layouts on screens 18 inches and larger
14. Wallet app removed
15. The following apps won't be removed when upgrading, but are no longer installed on new devices or when installing Windows 11 from scratch. They can only be downloaded from the Microsoft Store:
    1. 3D Viewer
    2. OneNote for Windows 10
    3. Paint 3D
    4. Skype