have an iMac early 2009 running El Capitan. is there any OS to upgrade too or is it just to old? Not compatible with Big Sur
have an iMac early 2009 running El Capitan is there any OS to upgrade too? Big Sur not compatible
iMac, OS X 10.11
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Welcome to Apple Support Communities.
Sorry, no. OS X 10.11 El Capitan is the newest and last supported version of macOS for your Mac. It is simply too old for more modern versions.
-Jack