You can maximize a window on only the left or right side of the screen, allowing you to place two windows side-by-side to quickly switch between them.
To maximize a window along a side of the screen, grab the titlebar and
drag it to the left or right side until half of the screen is highlighted.
Using the keyboard, hold down
To restore a window to its original size, drag it away from the side of the screen, or use the same keyboard shortcut you used to maximize.
Hold down the