MacOs Sierra upgrade
I have iMac Mid-2011 loaded with maos Sierra 10.12, and need to upgrade the MacOs to macOS Catalina?
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I have iMac Mid-2011 loaded with maos Sierra 10.12, and need to upgrade the MacOs to macOS Catalina?
The model and year of your Mac will determine which macOS you can upgrade to, a 2011 iMac cannot upgrade to macOS Mojave or macOS Catalina, you can upgrade to High Sierra
How to upgrade to macOS High Sierra - Apple Support
Before upgrading make a full back up of your Mac.
Check that third party apps you use have updates available for the new OS.
Check that your printers/ scanners etc have updated drivers and software available for the new OS.
If you want to confirm that your mac cannot upgrade to Mojave or Catalina then please read Section 1 in each of the following;
How to upgrade to macOS Catalina – Apple Support
The model and year of your Mac will determine which macOS you can upgrade to, a 2011 iMac cannot upgrade to macOS Mojave or macOS Catalina, you can upgrade to High Sierra
How to upgrade to macOS High Sierra - Apple Support
Before upgrading make a full back up of your Mac.
Check that third party apps you use have updates available for the new OS.
Check that your printers/ scanners etc have updated drivers and software available for the new OS.
If you want to confirm that your mac cannot upgrade to Mojave or Catalina then please read Section 1 in each of the following;
How to upgrade to macOS Catalina – Apple Support
MacOs Sierra upgrade