Can’t update to newest Mac OS
This is going to be kind of hard to explain but for the past month or so I have been trying to update my Mac book pro ‘13 to the newest Mac OS but for some reason it is telling me that I have no updates available. This is very frustrating because I want to install certain apps but I can not because I am not updated to the latest software. I’ve been told that it is because I need to sign in to the App Store. I have tried but whenever I try one of two things happens. I try to sign in with my NEW Apple ID and it just flat out doesn’t work or it tells me to sign in with my OLD Apple ID that I forgot the password to. Can someone please help I am stuck. I’d appreciate it greatly.