(*This iMac required a CPU upgrade the chipset misidentifies 2.6 GHz as 700 MHz 🤣. I’ve successfully installed macOS Catalina on a 2007 iMac.* *With a processor upgrade (not for the faint of heart), the unofficial list can even include the mid-2007 iMac, a computer that is now more than a dozen years old. Mac Pro (Early 2008 or newer with recommended graphics cards)
IMac (Early 2008 or newer, except for some 2010 models and all 2011 models) IMac (Mid 2007, after upgrading the CPU)* The unofficial list, however, looks more like this: Sounds interesting, doesn’t it?Īccording to Apple, these are the supported models for macOS 10.15 Catalina: Use a third-party utility to install the latest macOS on your Mac, even if Apple doesn’t officially support it.Keep in mind that even though these two older macOS versions still receive security updates, not all known vulnerabilities are addressed. At the time of writing, the current version of macOS is Catalina (10.15.x), and the two previous versions are Mojave (10.14.6) and macOS High Sierra (10.13.6).
If you can’t upgrade to the latest version of macOS, install the latest compatible version that still receives security updates.What if I told you there are ways to keep your old Mac running a safe version of macOS for longer? There are two options: If you want to upgrade to a newer version of macOS but Apple no longer supports your Mac, the best option is of course to buy a new Mac, but not everyone can afford to do so. However, if your Mac is several years old, there’s a good chance that the current version of macOS won’t run on your Mac Apple drops support for Mac models that it declares to be vintage or obsolete. Note: This article was originally written for macOS Mojave, and has been adapted for macOS Catalina.įrom a security standpoint, using the latest version of macOS-the Mac operating system-is always preferred.
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