Hi limos88 !
Keep in mind that if you'll root your device, you'll lost warranty.
Anyway, you can follow carefully the steps at the link below:
[Only registered and activated users can see links Click here to register]
This is a screenshot of the Windows installer:
[Only registered and activated users can see links Click here to register]
Don't forget (after rooting) to install the apps called "SuperSU" and "Root Checker" (I suggest you the Pro versions).