The VM Workstation application allows virtual machines to run in windows or full screen mode (which is toggled by pressing the key combination: '''ALT-CTRL-ENTER'''). You can press the key-combination ALT-CTRL in order to return to your host computer system (i.e. running the VM Workstation application. The VM Workstation Toolbar (displayed on right-hand side) can be accessed while in full screen mode when the mouse pointer is at the top of the virtual machine display.