When you start a virtual machine, its console is opened and acts as the display of a real computer (refer to Console View). Your next step is to capture your keyboard and mouse in the Virtual Machine screen; after doing so you are able to work with the Virtual Machine in the same way you would with a standalone computer.
Parallels Workstation controls such as the toolbar and the menu allows to manage virtual machine behavior when running the machine in windowed mode. You may also run the Virtual Machine in fullscreen mode, where Parallels Workstation controls and the primary operating system are not visible.
While working in windowed mode, Parallels Workstation controls let you to do the following:
The Configuration Editor is inaccessible while the virtual machine is running.