Em Ajuda do Windows :
Win+D Display the desktop.
Win+M Minimize all windows.
Win+Shift+M Restore minimized windows to the desktop.
Win+↑ Maximize the window.
Win+← Maximize the window to the left side of the screen.
Win+→ Maximize the window to the right side of the screen.
Win+↓ Minimize the window.
Win+Home Minimize all but the active window.
Win+Shift+↑ Stretch the window to the top and bottom of the screen.