This is your keyboard after replacing it with official android keyboard.
So go ahead and launch your Play Store on your android device. Next you need to search for the official android keyboad on the Play Store,just go to the search bar and enter "google keyboard". You'll get the link to the official keyboard on the first search result.
Next you just need to install like any normal app
After installing the Google keyboard .Now go to the home screen of your android device and look for its icon .Tap it to launch the keyboard app.
Now you need to follow a one time configuration guide.Tap on "Get started".
Next tap on enable in settings.
Now you need to enable the second keyboard
Don't worry about this attention message just tap on OK.
Next tap switch input methods.
Select English (US) Google keyboard.
This all what you need to now just launch any app that uses the keyboard to see the keyboard you've just configured as your default keyboard for samsung android device.
In this post we have seen how to switch the samsung keyboard with the official Google Android device created by Android team.