Looks like no one’s replied in a while. To start the conversation again, simply ask a new question.

I am runnibg MacOS 10.13..6 on a late 2013 iMac. How do I upgrade to Mojave?

I am runnibg MacOS 10.13..6 on a late 2013 iMac. How do I upgrade to Mojave?

iMac 21.5″, macOS 10.13

Posted on Dec 4, 2020 8:26 AM

Reply
9 replies

Dec 4, 2020 1:12 PM in response to Herbert K

If you get a corrupted message...

Naw, not damaged, it's just that you have an old copy already in Applications, there are 2 cures...


Disconnect from the Internet & set the Date back to 2014, then you can run the Install MacsOS Mohave App in Applications, so expired Certificates are not expired.


Or... trash the Install MacsOS Mojave.app in Applications then a new copy can be downloaded.

I am runnibg MacOS 10.13..6 on a late 2013 iMac. How do I upgrade to Mojave?

Welcome to Apple Support Community
A forum where Apple customers help each other with their products. Get started with your Apple Account.