my operating system is yosemite 10.10.5 I need to update this system. Have gone to App Store for update and the system tells me that there are no updates available. Please Help
iMac, OS X 10.10
Back up your data, check your applications for compatibility, and depending on which iMac model you have, download El Capitan, High Sierra, Catalina, or Big Sur through the links provided.
(191951)
Back up your data, check your applications for compatibility, and depending on which iMac model you have, download El Capitan, High Sierra, Catalina, or Big Sur through the links provided.
(191951)
I need to update my operating system, but my current system preferences does not contain a up
