Press Windows key + Left Arrow or Windows key + Right Arrow to snap a window to one side
Drag a window to the left or right edge of the screen until it snaps
Open another window and snap it to the opposite side
Use Windows key + Up Arrow or Windows key + Down Arrow to resize a snapped window
On Mac, click and hold the green full-screen button, then choose Tile Window to Left of Screen or Tile Window to Right of Screen
On Mac, open another app to fill the other side of the screen
On some laptops, use multitasking or split-screen options in the display settings or window menu
Adjust the divider between windows to change the size of each side