You’ll want to be sure to read through the entire document and follow the steps very carefully if you attempt to go this route, as it’s fairly complicated.Īs with all unofficial tweaks and mods like this, there is no official support, but there’s a useful thread on MacRumors Forums that pertains to the topic that may be of use to the adventurous users out there who wish to try this. Head over to Big Sur Micropatcher on Github to review the process and download the patcher.You’ll want to make sure you have a complete backup of the Mac with Time Machine before even attempting any of this. One of the major caveats mentioned is to avoid any Mac that doesn’t have a Metal GPU, as the performance is apparently very slow on those older Macs. It’s fairly well documented on the patches Github page, but it’s not for the average user by any means, and you’re on your own if you attempt to use it to run Big Sur on a Mac that otherwise wouldn’t support it. The approach we’ll mention here is perhaps the best documented, using a “primitive USB patcher” that is applied to a USB boot disk. If you’re an advanced user who is comfortable with running unsupported system software on unsupported hardware, and you’re feeling adventurous, there are some solutions to install and run macOS Big Sur on unsupported Macs, but it’s nowhere near as straight forward or simple as installing Big Sur on an officially supported Mac is.

Macos sierra to big sur