If all goes well, your USB drive should be prepared and you are ready for the next step. Select your USB drive on the left side, then click erase in the top menu:Ĭhoose a name for the drive, Mac OS Extended (Journaled) as file systen and GUID as partition scheme. In Disk Utility, choose to show all devices: So start by inserting the drive and start Disk Utility. The installation will require a USB drive of 16GB or larger. This project greatly simplifies the work and introduces a GUI that can be used to create the media. Fortunately, there is also MicroPatcherAutomator ( ). These patchers require quite a lot of reading and consideration in order to end up with a proper USB drive for installation. For this article, I will use MicroPatcher, made by BarryKN ( ). To end up with a patched Big Sur installation, there are a few possible options. In that case, even though it’s still possible to install the unsupported version, you will not be happy with the results. Or you might simply not have enough RAM or a CPU which is too slow. For example, since Mojave there is a requirement to have a Metal-supported video card. In some cases there are genuine hardware limitations. It simply requires quite a lot of extra work and it also motivates people to buy new hardware. Apple has its reasons to stop support for older models. Especially if the system specifications clearly show that it has plenty of resources to run that unsupported version. It’s never nice to hear that a new version of macOS will not longer be supported on your Mac.

Macos big sur on unsupported mac