Answer
May 29, 2024 - 03:18 PM
The default operating system for the iMac 2011 is Mac OS X 10.6.6 (Snow Leopard). This information is provided by Apple in their official technical specifications for the iMac (21.5-inch, Mid 2011) on their support page. Reference: - Apple Support. "iMac (21.5-inch, Mid 2011) - Technical Specifications". URL: https://support.apple.com/kb/SP623?lo.... The information can be found under the "Software" section of the technical specifications.
