software update option is not showing on my macbook pro mid 2012 how to download and install mac os catalina
MacBook Pro 13″, OS X 10.10
A mid-2012 through early-2013 MacBook Pro can be upgraded to Catalina 10.15.7. See: How to get old versions of macOS - Apple Support
A mid-2012 through early-2013 MacBook Pro can be upgraded to Catalina 10.15.7. See: How to get old versions of macOS - Apple Support
If the error message says some file is damaged, that only means the installer found an older and now out-of-date version of itself in your Applications folder. Gotto your Applications folder and delate the old version, then empty the Trash.
Also, there are mnay reports of FireFox struggling with macOS system upgrade files. Use Saari for any downloads of maOS upgrades.
The following previous discussion of the issue may help: OS Catalina unable to update - Apple Community
The opration can not be completed pk download error error 3
this is error
after downloading mac os catalina from app store during installing an erroe cames kindly help me please
What was the error message?
my macbook pro mid 2012 is not showing software update option and i want to updae my mac os yosomite to mac os catalina tell me how
