Download the macOS Sierra Patcher from dosdude1 from the link provided.Verify that the Install macOS Sierra app is copied to the /Applications folder.Download macOS Sierra 10.12 via Mac App Store on a supported machine or a mirror copy through macOS Virtual Machine or a direct download link.Format the hard drive/USB drive as GUID Partition Map, Mac OS Extended (Journaled) via Disk utility app.Ensure you have an 8GB or larger USB drive or equivalent external hard drive partition, before you begin.Steps to install macOS Sierra on older Macs Nevertheless, those who own any of the models listed in the above screenshot may go ahead and install Sierra, using the instructions provided below. On the other hand, some mid 2007 iMac and MacBook Pros have unsupported CPU architecture with SSE4 incompatibility problems. It must be noted that a few of these machines are affected with specific issues like the lack of Wi-Fi access, due to unsupported network card and lack of compatible drivers. In contrast, the additional set of devices that can support macOS Sierra using the patch tool is listed in screenshot below: Here's the complete list of devices that are officially supported for installing macOS 10.12 Sierra: Several such unsupported devices can now run macOS 10.12 Sierra without any hassles, thanks to a tool by dosdude1 which is known as macOS Sierra Patcher.
Nevertheless, some of these machines have been left out of contention despite featuring power-packed hardware such as the late 2008, early 2009 and mid 2009 models of MacBook Pro.Īvid macOS users have been complaining about Apple's indifferent approach to discourage software upgrades on older hardware, even when there are no serious hardware deficiencies for running the latest firmware.
How to install macOS 10.12 Sierra on older or incompatible Mac hardwareĪpple has dropped support for macOS 10.12 Sierra on older and incompatible Mac hardware citing hardware limitations and lack of driver support for certain components.