So my laptop's internal hard drive recently got damaged and had to be replaced with a new one. Originally, my laptop had genuine windows 8.1 and it was still useable when I secured my windows 10 update through mail. But when I got my laptop repaired, the technician installed a copy of windows 8.1 pro that seems to have been used in other devices since the key doesn't work. Because of that, I can't activate windows. Bottomline: Can I still update to windows 10 since I've already reserved my copy but using a different software? *note: I'm not seeing the Get windows 10 app, but maybe it's because I haven't done with the windows update yet. Thanks in advance!