How To Do A Clean Install Of Mac

Downloading and installing a new OS gives y'all the opportunity to practise some major business firm cleaning if you so desire. If you feel like you'd similar a fresh showtime with macOS Large Sur, you can ever opt to do a make clean install: Just follow the steps below, even if you've already installed macOS Big Sur.

Make sure you understand the difference betwixt a clean install and a standard install before you go started.

Note: If yous are reading this article on the Mac you lot desire to perform the make clean install with, switch to another device or print this page earlier continuing so you can read along every bit you get.

Pace ane: Back upwards your Mac

This process will erase whichever Bone yous're currently using from your hard bulldoze entirely. That means any files, programs, or documents you have will be deleted. To salvage your files, put them on an external hard drive or a cloud-based programme like Dropbox, OneDrive, or iCloud. If you don't save these important files off your computer, because yous will lose them.

Stride 2: Create a bootable drive of macOS Large Sur

Before yous erase your electric current operating organisation, download macOS Big Sur from the Mac App Store. You'll need a copy of macOS Big Sur to perform a clean install later on. If you don't create a bootable drive for macOS Large Sur, you may accept to install an older Mac operating system first and so upgrade to macOS Large Sur afterwards.

How to create a bootable installer for macOS Big Sur

Step three: Erase your difficult drive

Connect your Mac to the internet via Wi-Fi or Ethernet
Click on the Apple icon.
Select Restart from the drop-downwardly card.

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Hold down Command-R when you lot hear the startup chime (or the screen turns black on newer Macs) and keep property the keys until your computer reboots.
Click on Disk Utility in the Os X Utilities selector.
Click Keep.

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Select your Startup Disk.
Click on the Erase tab at the top of the window.
Enter a name for the file to be destroyed (Like macOS Mojave or something).
If your Mac is using HFS+, select Mac OS Extended (Journaled) from the format list. If your Mac is using APFS, select APFS from the format list.
If Scheme is available, select GUID Partition Map.
Click Erase.

Source: iMore