Hold ⊞, press ⬅️, and then ⬆️ to put it into the upper left corner. Subsequently, open the next. Hold ⊞, press ⬅️, and then ⬇️ to send it under the first. Next, put the third window on the top right quadrant by holding ⊞, taping ️ followed by ⬆️. Similarly, fix the last one in the remaining space by holding ⊞, and pressing ️ and ⬇️ sequentially. Windows split screen. Download, install, and run GridMove. It will add an icon to the system tray where you can access the app’s setting. Right-click it and select ‘Templates>2 Part-Horizontal’ to horizontally split the screen. The app can be told that you’re using more than one screen and that allows it to split all your screens horizontally.