Press Ctrl + Shift to switch to Full screen mode
Full screen mode maximizes Maya's workspace, making Maya easier to use on smaller screens. When full screen mode is enabled, the title bar, menu bar, and dock are hidden.
To enter Full screen mode on Windows
In Maya, press Ctrl + Spacebar to switch between the default view and the full screen view of the current View panels.
To exit Full screen mode on Windows
Press Ctrl + Spacebar again.