To maximize or restore a selected window _______________.
To maximize or restore a selected window press CTRL+F10.
Press Space to make selections, such as placing a checkmark in a check box. With the object highlighted, press Shift + F10 (Function key F10). Press the arrow keys to move through the menu. Press and hold the Alt key while repeatedly pressing the Tab key until the window or app is highlighted.
To restore the windows back, you will have to press Win+Shift+M. But when you minimize all open windows using this keyboard shortcut, now when you right-click on the taskbar, you will see a new context menu entry Undo minimize all windows. Clicking on Undo minimize all windows will also maximize all the windows again.