Right-click the file, folder, or app
Select Create shortcut
Drag the shortcut to the desktop if needed
On Windows, right-click the item and choose Send to > Desktop (create shortcut)
On Mac, open Finder and drag the item to the desktop while holding Option and Command
For websites, drag the address bar icon to the desktop
For apps, find the app in the Start menu or Applications folder and create or drag a shortcut to the desktop