You can copy an app icon pin macOS Preview. Here’s how to do this with macOS Sequoia:
° Select the app in Finder.
° Go to “File > Get Info” to access the icon.
° Press Command-C to copy it.
° Open Preview.
° Choose “File > New From Clipboard” to paste the icon into a new document.
Basically, you copy the icon from the Get Info window and paste it into Preview by creating a new file from the clipboard.
