The multi-window function is natively present in Android 7.0, but what many people don't know is that on some devices with Android 6.0 Marshamallow, it can be activated and used without any problems, and for those who have a version lower than this, they can use an app that performs a function similar to multi-window.

How to have multi window function on any Android?

To have the function is very simple, just go to your device that is running Android 6.0 and then access Settings> About phone and after that look for the version number and click on it 7 times until a message appears saying that the developer or programmer option has been released, then go back to the settings menu and go to the menu that appeared “Developer options” or “Developer”, after that look for multi windows and activate it, then just enjoy the function.