I need to upgrade my OS
I have Yosemite 10.10.5 on the IMac. I need to upgrade my OS. It will not take Catalina. what do I upgrade to and how?
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I have Yosemite 10.10.5 on the IMac. I need to upgrade my OS. It will not take Catalina. what do I upgrade to and how?
See if you can upgrade to 10.11, 10.12, or 10.13, see sys requirements...
https://support.apple.com/en-us/HT206886
https://itunes.apple.com/app/os-x-el-capitan/id1147835434?ls=1&mt=12
https://support.apple.com/kb/sp742?locale=en_US
https://itunes.apple.com/us/app/macos-sierra/id1127487414?ls=1&mt=12
https://support.apple.com/kb/sp765?locale=en_US
https://itunes.apple.com/app/macos-high-sierra/id1246284741?mt=12
See if you can upgrade to 10.11, 10.12, or 10.13, see sys requirements...
https://support.apple.com/en-us/HT206886
https://itunes.apple.com/app/os-x-el-capitan/id1147835434?ls=1&mt=12
https://support.apple.com/kb/sp742?locale=en_US
https://itunes.apple.com/us/app/macos-sierra/id1127487414?ls=1&mt=12
https://support.apple.com/kb/sp765?locale=en_US
https://itunes.apple.com/app/macos-high-sierra/id1246284741?mt=12
You will get faster and more specific help if you post your iMac's sub-model, form "About this Mac":
Early iMscs have limits on what OS level they can handle. For example, no iMac older than 2012 can install Mojave 10.14 or Catalina 10.15.
Making any headway?
I need to upgrade my OS