Galaxy Note 5 Verizon Nougat 7 root trouble


I have been trying to unlock the bootloader and just root my galxaxy note 5 verizon for about a month now with constant trouble i cant manage to get the device to show up in fastboot devices but it shows up in adb (using windows 10) im very new to rooting phones and never have rooted a phone and I dont understand why everytime i boot into booloader it just restarts the phone please help me thank you in advance