Click the first window you want to use
Press Windows key + Left Arrow or Windows key + Right Arrow to snap it to one side
Click the second window you want to use
Press Windows key + the opposite Left Arrow or Right Arrow to snap it to the other side
Drag a window to the left or right edge of the screen to snap it there
Use the mouse to resize the split by dragging the divider between windows
On Windows 11, hover over the maximize button and choose a split layout
Select the remaining window for the other section of the layout
Use Windows key + Up Arrow or Windows key + Down Arrow to move a snapped window into a corner or restore it
Repeat the same steps to split the screen into more sections using Snap Layouts