I have Android Studio installed and I want to run my app in my android device.
In this part of the tutorial video, I have to search for a Driver inside "extra" folder.
I'm not able to find this "extra" folder.
Android Studio is updated.
Help will be appreciated
You have to download it first.
Open Google SDK Manager (or SDK Manager in Android Studio) and download "Google USB Driver"
UPDATE
As you described, you can't find any of the SDK folders. Since you already installed it, you are probably searching in wrong location. You can find proper SDK location in Android Studio. Try to search in the folder that you Android Studio is using as "Android SDK Location":
