My macOS Sierra 10.12.6 doesn't offer Software Update option under System Preferences. How do I update?
My macOS Sierra 10.12.6 from 2015 does not offer Software Update option under System Preferences. How else can I update?
iMac 21.5″, macOS 10.12
Back up your data, check your applications for compatibility, and depending on which iMac model you have, click on High Sierra, Catalina, or Big Sur.
(197021)