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Sierra to Catalina system upgrade?

Hello,

How can I upgrade from Sierra OS10.12.6 to Catalina 10.15.0? Apple says you can, but I don't see 10.15.0 anywhere ???

iMac 21.5″, macOS 10.12

Posted on Feb 3, 2021 6:26 AM

Reply
Question marked as Top-ranking reply

Posted on Feb 3, 2021 6:35 AM

evabirgit wrote:

Hello,
How can I upgrade from Sierra OS10.12.6 to Catalina 10.15.0? Apple says you can, but I don't see 10.15.0 anywhere ???



Big Sur macOS 11.2

https://support.apple.com/macos


How to upgrade to macOS Big Sur w/tech specs

https://support.apple.com/en-ca/HT201475



For your macOS 10.15.7 Catalina—


verify you are using the Safari browser to download/initiate the macOS links:

older macOS installer backups on this server:

https://support.apple.com/en-gb/HT211683




3 replies
Question marked as Top-ranking reply

Feb 3, 2021 6:35 AM in response to evabirgit

evabirgit wrote:

Hello,
How can I upgrade from Sierra OS10.12.6 to Catalina 10.15.0? Apple says you can, but I don't see 10.15.0 anywhere ???



Big Sur macOS 11.2

https://support.apple.com/macos


How to upgrade to macOS Big Sur w/tech specs

https://support.apple.com/en-ca/HT201475



For your macOS 10.15.7 Catalina—


verify you are using the Safari browser to download/initiate the macOS links:

older macOS installer backups on this server:

https://support.apple.com/en-gb/HT211683




Sierra to Catalina system upgrade?

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