Press Windows key + Left Arrow to snap the active window to the left
Press Windows key + Right Arrow to snap the active window to the right
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
On Windows, use the Snap Layouts button on the maximize icon to choose a split layout
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 the second window and place it on the other side
On Linux, use the system’s window tiling shortcuts or drag windows to screen edges
Adjust the divider between windows if your system allows resizing
Use a split-screen feature in your monitor or display settings if available