HANDS-ON Dortania's OpenCore Legacy Patcher lets you run newer versions of macOS on unsupported Intel Macs. It's handy, but there are a few things to beware of – including macOS Tahoe. OpenCore Legacy Patcher brings Hackintosh techniques to genuine Mac hardware. It's an inspired hack that helps you to install newer versions of Apple macOS on older Macs for which Apple has dropped support in recent versions of macOS. Its co-author, Mykola Grymalyuk, has a fascinating retrospective on its development. We introduced OCLP a few years ago when it was still quite new. Our screenshot then showed version 1.01, but as the project's GitHub page shows, it's now up to version 2.4.1. It does still have one big drawback, though. At present, the newest macOS it can help with is version 15 "Sequoia," whose release we covered back in 2024. In 2025, The Register warned that the forthcoming macOS 26 "Tahoe" would be the last version to have any support for x86 Macs. As we confirmed in September, it supports a mere four x86 Macs. This limited Intel support makes it a significant challenge for the OCLP development team, and nearly a year later, the latest OCLP still does not support Tahoe. As we've mentioned a few times, the main desktop computer at the Irish Sea wing of Vulture Towers is a 27-inch Retina 5K iMac (late 2015). A couple of years ago, we maxed out this machine with a quad-core i7, 32 GB of RAM, a 1 TB NVMe SSD, and an 8 TB hard disk. It also drives a 27-inch Apple Thunderbolt Display. It's a capable box, but the last supported OS was 2021's macOS 12 "Monterey." As we mentioned last month, this is now too old for the latest Raspberry Pi Imager. It was time. Getting started with OCLP Alongside OCLP's own documentation, there are several how-to guides out there, such as the iFixit Guide and Greg Gant's 10-step guide. We are not setting out to recreate them, just to point out the stumbling blocks we encountered. Ever since OS X 10.9 "Mavericks" in 2013, macOS has been a free d
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How to teach an old Intel Mac new tricks with OpenCore Legacy Patcher
