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MacOS Upgrade

How to upgrade MacOS from High Sierra on MacBook Pro 15?


Mac Pro

Posted on Sep 10, 2021 11:26 AM

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Question marked as Top-ranking reply

Posted on Sep 10, 2021 11:29 AM

The model year of a MacBook Pro is available at Apple menu > About This Mac.

A mid-2010 through late-2011 MacBook Pro can be upgraded to High Sierra 10.13.6 but no later version.

A mid-2012 through early-2013 MacBook Pro can be upgraded to Catalina 10.15.7. See: https://support.apple.com/en-us/HT211683

A late-2013 or later can be upgraded to the current version of Big Sur. See: https://support.apple.com/en-us/HT201475

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Question marked as Top-ranking reply

Sep 10, 2021 11:29 AM in response to Mepis1

The model year of a MacBook Pro is available at Apple menu > About This Mac.

A mid-2010 through late-2011 MacBook Pro can be upgraded to High Sierra 10.13.6 but no later version.

A mid-2012 through early-2013 MacBook Pro can be upgraded to Catalina 10.15.7. See: https://support.apple.com/en-us/HT211683

A late-2013 or later can be upgraded to the current version of Big Sur. See: https://support.apple.com/en-us/HT201475

Sep 10, 2021 11:44 AM in response to Mepis1

Which OS you can upgrade to will be governed by which model and year your mac is. Click on the  top left of your screen click on About This Mac to find out the year of your mac. If you find your mac can upgrade to the newer OS's like macOS Mojave 10.14, macOS Catalina 10.15, or macOs Big Sur 11.5 I would recommend you upgrade to macOS High Sierra 10.13 first. For High Sierra, Mojave or Catalina, Open Safari and click on this link,  How to get old versions of macOS – Apple Support Go to Check Compatibility to see if your mac qualifies for the OS upgrade you want. Then go to the Download OS section and click on the OS you want to install. Before upgrading make a full back up of your Mac. Check that third party apps you use have updates available for the new OS. https://roaringapps.com Check that your printers/ scanners etc have updated drivers and software available for the new OS. Connect your mac to your router via cable rather than rely on WiFi. Do not use your mac while it is downloading and do not use any other devices that share the same internet connection. If the App Store says ‘Open’ then it is detecting a previous download of the install app go to the Applications folder locate Install macOS ******.app. Move it to the Trash, empty the Trash. Restart, click on the link again, the App Store should say ‘Get' or 'Download'. If you want to or are able to install Big Sur, open Safari and click on the link below. How to upgrade to macOS Big Sur - Apple Support If you are considering upgrading to Catalina or Big Sur be warned they do not support 32bit apps. Your Mac is probably running 32bit apps and these will need to be updated to 64bit apps, some updates may be free, some may be paid. Use this app to discover which apps you have are 32bit, https://www.stclairsoft.com/Go64/ then contact the developers of the software to see if they are offering 64bit updates.


MacOS Upgrade

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