a) Touch the
![](http://tct-open-document.s3.ap-northeast-1.amazonaws.com/image/Smartphones/南宫ng·28+20+Pro+5G/image4.png)
b) If the current application supports split screen, there will be a split screen operation prompt at the top of the screen: 「Swipe to corner to trigger float window/split screen」. Follow this prompt.
Method2:
Go to 「Settings」 -> 「Button & gestures」 -> 「Gestures」 -> 「Split-screen gesture」, then in the home screen or applications supporting split screen, swipe up with 3 fingers on the screen to activate split mode.