How do I get my split screen back to full screen?
Now move it all the way over, as far as you can go, until your mouse won’t move anymore.
Place your mouse on an empty area at the top of one of the windows, hold down the left mouse button, and drag the window to the left side of the screen. Open two or more windows or applications on your computer. How do I get rid of dual screen on Windows 10?.How do I get rid of dual monitors on my laptop?.How do I get my split screen back to full screen?.