Set the Appearance of Virtual Machine Dock Icons
You can choose which type of icon appears in the macOS Dock when your virtual machine is open or running.
- 
         Do one of the following:
         
- Click the Parallels Desktop icon in the menu bar and choose Preferences . Then click General .
 - Right-click the Parallels Desktop icon in the Dock and choose Preferences . Then click General .
 
 - 
         From the
         
          Virtual Machine Dock Icons
         
         menu, choose one of the following:
         
- OS Icon : The Dock icon shows the icon of the operating system installed in the virtual machine.
 - Live Screenshot : The Dock icon shows a miniature image of what you see in the virtual machine.
 - None : Virtual machines don't have separate icons in the Dock.