These are the instructions to root the Android devices running between Android 2.2 to Android 8.0 using the Kingo Root Application.
Requirements: Your Android Device should have at least 20-30 percent of battery to perform the rooting process.
(Developer Options is hidden for Android 4.2.2 or above, to unhide Go to Settings > About Phone > Built Number > Tap on it for 5-8 times).
Congratulations! Your Android Device is now Rooted. You can also verify the root status of your device by using the Root Checker App.
[*] No data loss process: Your Android Phone Data like contacts, pictures, videos, music and etc will be not affected with the above method.
[*] Caution: Rooting the Android Device using any Root Application will void the device warranty.
[*] Alternative Apps: There are several One-Click Root Applications are available, including Root Genius Application, iRoot Application, Cydia Impactor, Motochopper Application, ioRoot Application, and Binary Toolkit.
[*] Credits: Kingoroot is created and distributed by Kingosoft Technology Ltd. So, full credit goes to them for sharing the Application for free.