How to Root my Moto E, G and E mobile?

I just rooted my Moto E 1st generation (XT1022) android mobile. Here you can follow the simple guide to follow for all the Moto version.

Prerequisites :
i. Install Android SDK.
ii. Download Motorola Device Driver

Follow the simple step once Prerequisites are done -
1. Unlock the Bootloader
2. Actual rooting of Moto E
3. Changing the Boot loader warning Image

Hope you learn something from my Post. Do comment and provide feedback.