If you have bought the device and it is YOURS and you don't owe anything, then you can get your root online. Just google the note 5 root and you will find the site where you can get one. It costs about 30 bucks to get your root, you may have to wait a bit untill they find way to root the device. OR youcan do it yourself. Must have internet with pc/laptop and Administrators access.
We do not recommend rooting your device, as rooting your device will void any warranty on the device.