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Hi, I'm trying to upgrade my iMac to Mac OS 10.13 (High Sierra) but could not download this OS from Apple website. Keep getting the error "this copy of OS is corrupted" when click on download.
My iMac is late 2009 model and my current Mac OS is 10.12.6. I understand I should be able to upgrade to Mac OS 10.13.6 (High Sierra).
Anyone knows how I can get this OS upgrade done?
iMac, macOS 10.12
I bet you the App Store High Sierra page is saying Open.
The error message you are seeing is the App Store noticing that you have a copy of Install macOS High Sierra.app in your Applications folder. Locate it, move it to the Trash, empty the trash.
Connect your mac to your router via cable.
Restart your mac.
Open Safari do not use Firefox, click on the link below,
How to upgrade to macOS High Sierra - Apple Support
Go to Section 4 and click on Get macOS High Sierra.
You will be directed to the App Store High Sierra page,
this time it will say Get or Download.
Start the download, do not use your mac while it is downloading
and do not use any other devices that share the same internet connection.
I bet you the App Store High Sierra page is saying Open.
The error message you are seeing is the App Store noticing that you have a copy of Install macOS High Sierra.app in your Applications folder. Locate it, move it to the Trash, empty the trash.
Connect your mac to your router via cable.
Restart your mac.
Open Safari do not use Firefox, click on the link below,
How to upgrade to macOS High Sierra - Apple Support
Go to Section 4 and click on Get macOS High Sierra.
You will be directed to the App Store High Sierra page,
this time it will say Get or Download.
Start the download, do not use your mac while it is downloading
and do not use any other devices that share the same internet connection.
Hi, thanks.. yes, that's the error message I see when I click on download.
Tried doing a search in my iMac for this OS file but could not locate it.
I was doing a search based on "*13.6*".
Any idea where if I should use other search string to locate this file?
Thanks.
Jack.
I told you it should be in your Applications folder, just look in there,
no need to do a 'search'.
Yes.. Found the file in the Application folder -> "Install macOS High Sierrra".
Thanks! :-)
unable to download Mac OS 10.13
