I have a MacBook Pro, circa late 2011, which is installed with OS X Lion 10.7.5. I’m aware that this is now well out of date, there having been several OS versions since X Lion. Apple no longer send updates to my MacBook. More and more I’m finding that I’m no longer able to access various websites. Typically I’ll get an onscreen message saying ‘Safari can’t open the page (name of website) because Safari can’t establish a secure connection to the server'. In the case of one website, I get an onscreen message stating that I need to upgrade my browser before I can access the site.
I’ve tried to upgrade to High Sierra via Apple’s website, but this hasn’t worked – I get a message saying that ‘This update requires macOS version 10.8 or later’. So it seems that the reason i can’t get on some websites is due to the fact that my OS and / or browser are out of date, in fact so out of date that I can’t even upgrade my OS. Can anything be done about this or am I stuck with a MacBook that is becoming less and less usable? I’m not very clued up about computers so any replies in simple terms please!