Laptop Split-screen display settings

Step1:

Win key + P, select "Extension", the specific Operation page is as follows:

Step2:

Move the mouse to the right to move to another monitor

Drag the window you want to display to a full-screen display on your monitor, and you can do other things on your laptop.

Step3 (optional):

Set the mouse to move from right to left to enter the screen separately

Reference:

The notebook is connected to the monitor, setting the display mode to extend the current screen mode.
You can then move your laptop mouse to the right to the monitor.
Drag the video to the full screen display on the monitor, The notebook can also do other.

Laptop Split-screen display settings