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Currently have macOS High Sierra version 10.13.6. How do I upgrade?

When I go thru the normal steps to upgrade version of MacOS High Sierra it does not come up as a choice to upgrade? Need the upgrade to upgrade my Lightroom Classic program.


iMac 27″ 5K, macOS 10.13

Posted on Nov 13, 2021 1:06 PM

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Question marked as Top-ranking reply

Posted on Nov 13, 2021 1:11 PM


❗️ Do NOT upgrade until you have made a Time Machine or other backup of your startup drive.

Learn How to Back up your Mac with Time Machine


How to Upgrade  macOS:

The macOS version you can upgrade to depends on the year your Mac was released.

Click the  (Apple) menu at the top of your screen and choose About This Mac.


Check the Compatibility of your Mac with newer versions of macOS:

➡️ macOS 10.14 Mojave is compatible with the Macs listed here

➡️ macOS 10.15 Catalina is compatible with the Macs listed here

➡️ macOS 11 Big Sur is compatible with the Macs listed here

➡️ macOS 12 Monterey is compatible with the Macs listed here


❗️ – IMPORTANT – Your 32-bit apps won’t work in Catalina, Big Sur or Monterey.

https://support.apple.com/en-us/HT208436

Use the free utility Go64 to check the compatibility of your apps:

https://www.stclairsoft.com/Go64/


✅ - IF your Mac and apps are compatible, then using Safari only, download the macOS upgrade installer app:

Click > MojaveCatalinaBig Sur  or  Monterey.

Once downloaded, double-click the “Install macOS…” app in the Applications folder to begin the upgrade.

1 reply
Question marked as Top-ranking reply

Nov 13, 2021 1:11 PM in response to Photo1212


❗️ Do NOT upgrade until you have made a Time Machine or other backup of your startup drive.

Learn How to Back up your Mac with Time Machine


How to Upgrade  macOS:

The macOS version you can upgrade to depends on the year your Mac was released.

Click the  (Apple) menu at the top of your screen and choose About This Mac.


Check the Compatibility of your Mac with newer versions of macOS:

➡️ macOS 10.14 Mojave is compatible with the Macs listed here

➡️ macOS 10.15 Catalina is compatible with the Macs listed here

➡️ macOS 11 Big Sur is compatible with the Macs listed here

➡️ macOS 12 Monterey is compatible with the Macs listed here


❗️ – IMPORTANT – Your 32-bit apps won’t work in Catalina, Big Sur or Monterey.

https://support.apple.com/en-us/HT208436

Use the free utility Go64 to check the compatibility of your apps:

https://www.stclairsoft.com/Go64/


✅ - IF your Mac and apps are compatible, then using Safari only, download the macOS upgrade installer app:

Click > MojaveCatalinaBig Sur  or  Monterey.

Once downloaded, double-click the “Install macOS…” app in the Applications folder to begin the upgrade.

Currently have macOS High Sierra version 10.13.6. How do I upgrade?

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