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I have macOS Mojave but I am unable to install macOS Catalina

I have macOS Mojave but I am unable to install macOS Catalina. I have an iMac (21.5-inch, Late 2015)

iMac 21.5", macOS 10.14

Posted on Dec 28, 2019 5:18 PM

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Question marked as Top-ranking reply

Posted on Dec 28, 2019 6:34 PM

jairawls wrote:

I have macOS Mojave but I am unable to install macOS Catalina. I have an iMac (21.5-inch, Late 2015)


What issue are you having here?


A common issue is Catalina not showing available for download

running Mojave 10.14.6.—trying to download Catalina, it is not showing up as a system update

From the Applications/Utilities/Terminal.app copy and paste:


sudo softwareupdate --reset-ignored


(please note your psswd will not echo on screen—type it in anyway to proceed)

relaunch System Preferences>Software update


3 replies
Question marked as Top-ranking reply

Dec 28, 2019 6:34 PM in response to jairawls

jairawls wrote:

I have macOS Mojave but I am unable to install macOS Catalina. I have an iMac (21.5-inch, Late 2015)


What issue are you having here?


A common issue is Catalina not showing available for download

running Mojave 10.14.6.—trying to download Catalina, it is not showing up as a system update

From the Applications/Utilities/Terminal.app copy and paste:


sudo softwareupdate --reset-ignored


(please note your psswd will not echo on screen—type it in anyway to proceed)

relaunch System Preferences>Software update


I have macOS Mojave but I am unable to install macOS Catalina

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