Build and install OpenCore on the USB drive.Create a bootable USB drive for macOS Monterey.Download the Install macOS Monterey app without using the App Store.These need to be executed on the device where you would like to install Monterey. The steps we need to go through are the following. It was running macOS Catalina as a starting point, which is the last officially supported release on this model. This is interesting as support for NVIDIA GPUs has been mainly removed in Monterey. My model has the highest specced CPU: an i7 4771, a 256GB SSD, 16GB RAM and the NVIDIA GeForce GTX 780M with 4 GB. MacPro4,1 (Early 2009) and later (with Metal GPU)įor the article, I will be using a Late 2013 iMac with model identifier iMac14,2.With Metal support, everything newer than the following is fine: The minimum OS version installed needs to be 10.9 (Mavericks)įor hardware without Metal support, using a patch, the following should work: You can find a comprehensive list of models on which OpenCore is supported over here: Instead, it tricks the installer in thinking it is running on a newer, supported, model. In contrast to MicroPatcher, this method uses an unmodified macOS installer. For this article, I will go for a different method and I will use OpenCore Legacy Patcher to get around the hardware checks. I used MicroPatcher for that article and mentioned BigMac there as well. In an earlier post, I described how to install the predecessor of Monterey, Big Sur, on unsupported models. If you prefer classic text, you can just follow the rest of this article: If you are interested, I also created a YouTube video from this blogpost. I did a separate post that covers that version of macOS, so have a look at it over here if you are interested. A very similar method is available to install the latest version of macOS on unsupported hardware. Newer version of macOS: SonomaĪlthough this post is still very relevant, in the meanwhile, macOS Sonoma has been released. In this article, I will describe step by step how to install macOS Monterey on officially unsupported models by using OpenCore Legacy Patcher. Luckily, if you want to, there are always ways to get around these restrictions. This doesn’t necessarily mean that those Mac models cannot handle the new operation system, in most cases it would run it just fine. In general anything older than a 2015 model is no longer supported. Just as with most new releases of macOS, also for macOS Monterey, Apple decided to remove official support for some of the older Mac hardware. MacOS Monterey was released a few days ago.
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