upgrading OS
can iMac Sierra (late 2009) upgrade to macOS Catalina
Apple Intelligence is now available on iPhone, iPad, and Mac!
can iMac Sierra (late 2009) upgrade to macOS Catalina
No. See compatibility information in How to upgrade to macOS Catalina - Apple Support
It can upgrade to High Sierra: How to upgrade to macOS High Sierra - Apple Support
No. See compatibility information in How to upgrade to macOS Catalina - Apple Support
It can upgrade to High Sierra: How to upgrade to macOS High Sierra - Apple Support
Here are the requirements for installing Catalina:
A late ‘09 model can be upgraded to Mac OS 10.13.6 (High Sierra).
upgrading OS