Everything was great till I turned it on 1 day and I got the blue screen of death telling me I needed to enter my bit locker code.Of course, Having bought a refurbished computer. I did not have the bitlocker code. The machine was used in a school. Because it has windows pro windows. Academic use installed. There is no way to get the code in the only thing I can do, maybe is reinstall.  Windows. Of course. I don't have the installed disk. It didn't come with submachine. So now I have a boat anchor with no help from either. Amazon oR Microsoft since this is a 2017 computer support has stopped for it.Buyer beware if you buy one of these machines, send something happens. You're out your money. There's no hope or help for you.