When the operation completes, boot your target unsupported Mac offthe USB drive you just created by holding down the Option key while turning on the machine, and selecting the drive. Next, select your USB drive in the Target Volume list, and click 'Start Operation.'Ĥ. *Ensure that the tool successfully verifies the app.ģ. Open the 'macOS High Sierra Patcher' tool, and browse for your copy of the macOS High Sierra Installer App. Insert your desired USB drive, open Disk Utility, and format it as OS X Extended (Journaled).Ģ. While it works and is fully usable,High Sierra detects it as just a standard mouse, preventing you fromchanging some trackpad-oriented settings.ġ. The trackpad in the MacBook5,2isn't fully supported in High Sierra. View changelog and download older versions here A USB drive that's at least 8 GB in size In the Menu Bar, simply select 'Tools > Download macOS High Sierra.' This can be obtained from the Mac App Store using a machinethatsupports High Sierra, or by using the built-in downloading feature of the tool. A copy of the macOS High Sierra InstallerApp. If it's not or you're unsure, just boot into your Recoverypartition of your currently installed copy of OS X, open Terminal, andrun 'csrutil disable'. Note: Make sure SIP is disabled on the system you intend to installHigh Sierra on. The 2007 iMac 7,1 is compatible if the CPU is upgraded to a Penryn-based Core 2 Duo, such as a T9300.

Early-2008 or newer Xserve (Xserve 2,1, Xserve 3,1) Early-2009 or newer Mac Mini or white MacBook (Macmini 3,1, MacBook 5,2) Late-2008 or newer MacBook Air or Aluminum Unibody MacBook (MacBookAir 2,1, MacBook 5,1)

I also have a YouTube video going over the whole process. Questionsor comments? Feel free to contact me at Pleasetake a look at the FAQ located at the bottom of this page as well.

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