I've found a video the other to unlock fastboot OEM on Android devices. The guy talking however is not so understandable, but the quality is good enough for you to see what he does and he goes through the steps in a decent tempo, so you can keep up with what he does.
The video takes 4 minutes...
I just received a Moto X Pure Edition and, as an Android user, I'll only be satisfied when it will be rooted.
Here is how I did, first some prerequisites :
Download the Motorola Device Manager HERE. You need it for your phone to be recognized by your PC.
Unlock your Bootloader by...