RazerBootloader problem with !Razer BlackWidow Ultimate!

Hi,

Recently i've starting to search how to fix my keyboard that is not working for like 5 months anddddddddddddd nothing works because all posts are from 2010-2015.It is the old type of keyboard with cherry mx blue swithces so i would like to fix it.Also i got this as a gift from my cousin so i dont have any papers or cd with drivers..