I'm trying to upgrade my old iMac that's currently running Snow Leopard all the way to Sonoma using OpenCore Legacy Patcher (OCLP). Since it's quite an outdated model, I'm unable to use Safari or the App Store for installing updates. I just learned that Lion was the first version that allowed creating a bootable USB installer, which complicates things further. Can anyone guide me on how to perform this upgrade?
3 Answers
I successfully upgraded a 2012 Mac mini a while back using a support article from Apple that had links to all the necessary OS versions. I don't remember the exact link, but it's likely still available on their website. If you look for support documents about upgrading, you should find what you need!
First off, could you tell me what year your iMac is? It really helps in figuring out the upgrade path. If you can't upgrade to El Capitan or High Sierra in its current state, you might need someone to assist you with creating a bootable installer. That could simplify things a lot!
I had a 2013 MacBook Pro that I upgraded using OCLP. While newer macOS releases worked, performance was pretty sluggish. I ended up switching to Ubuntu Linux, and it runs way better for gaming. If that interests you, it might be an alternative if you face too many hurdles with the macOS upgrade.
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