The first step is to clean and back up your Mac to some external source. You format your hard drive, and therefore, it keeps no leftovers from the previous macOS.īasic steps to clean install macOS Big Sur What is a clean install? (Big Sur or any other macOS)Ī clean install means that you install the macOS onto the erased drive.Ī clean install is the opposite of macOS upgrade. Note that Apple recommends you have around 35.5GB available storage and 4GB of memory on your macOS before upgrading. If your Mac runs on OS X Mavericks or later, you can update directly to Big Sur. If you don’t want to clean install Big Sur just yet, you can place the new update on top of your current drive, which will preserve all the settings.

It will say '3 minutes remaining for maybe 5-10 minutes', just be patient, it is working! Once your computer restarts, boot again to your USB and select the 'macOS Installer' option from the Opencore menu. Here’s how to perform a clean install of macOS Big Sur with pictures and helpful tips along the way.įormat the drive you will use to install macOS, and then install Big Sur through the on-screen prompts. It also sports a refreshed version of Safari that is 50% faster than Chrome.

Those who tried it say that it’s more stable. macOS Big Sur continues the list of Central California landmarks as well as marks the new operating system for Mac. Check the following article to install macOS Big Sur on AMD FX system.Īpple released macOS Big Sur on November 12, 2020. I will cover this in the next post because otherwise, this post will be very long. But, in order to install the Hackintosh, we still need to configure the EFI folder. At this point, we have successfully created the macOS Big Sur USB Installer.Launch Disk Utility from the Applications/Utilities folder on your Mac. With your USB drive properly formatted with the “Mac OS Extended” option, let’s create a bootable installer that you’ll boot into later to perform a clean install of Big Sur.Here’s how to perform a clean install of macOS Big Sur and reinstall macOS Big Sur from a bootable USB drive.

Install big sur from usb stick