what software can I upgrade to
what is the latest os software on late 2011 Mac Sierra 10 12.6
what is the latest os software on late 2011 Mac Sierra 10 12.6
macOS High Sierra
https://support.apple.com/kb/sp765?locale=en_US
How to get old versions of macOS
If your Mac isn't compatible with the latest macOS, you might still be able to upgrade to an earlier macOS, such as macOS Catalina, Mojave, High Sierra, Sierra, or El Capitan.
For details:
macOS High Sierra
https://support.apple.com/kb/sp765?locale=en_US
How to get old versions of macOS
If your Mac isn't compatible with the latest macOS, you might still be able to upgrade to an earlier macOS, such as macOS Catalina, Mojave, High Sierra, Sierra, or El Capitan.
For details:
what software can I upgrade to