In the next step, you'll enter a command in Terminal. Choose 'Finder' then select 'Go' from the menu bar. Connect the USB flash drive to the computer you wish to install macOS. ** If you wish to make a bootable USB drive for Big Sur you’ll want to quit out of the installer before running it, as the installer deletes itself upon successful completion of the upgrade.Once you have your bootable installer ready, it's time to move to the next step. Often simply rebooting the Mac and trying again in a few moments will resolve the problem.

* If you experience an error message trying to download macOS Big Sur, check here for some troubleshooting tips. There’s plenty to see and do.Īnd of course, stay tuned for a continuous stream of tips and tricks for macOS Big Sur. When complete, the Mac will reboot automatically into macOS Big Sur, and you’re ready to go.Įxplore the new user interface look, check out the new wallpapers, enjoy the new system sounds, check out the new features in Safari, Photos, Messages, Finder, and more. Let the installation complete, it can take a while to finish the upgrade, do not interrupt the installation.Choose the destination hard drive (by default, “Macintosh HD”) and choose Continue.Click on ‘Continue’ and agree to the terms of service (after carefully reading the entire treatise, of course).Let macOS Big Sur download, when finished a splash screen to install it will launch automatically **.From System Preferences, choose “Upgrade Now” *.Head to the Mac App Store and choose “Get” to trigger the upgrade process for MacOS Big Sur.Complete a full backup of the Mac, with Time Machine or your backup method of choice.Have a compatible Mac, a full backup, and you’re ready to go? Here’s how to upgrade to macOS Big Sur: How to Install macOS Big Sur on a Mac by Upgrading You can certainly go beyond that and prepare for Big Sur, but if you’re all ready to go then it’s just a matter of committing the time to install it onto a Macintosh. The requirements for installing macOS Big Sur are fairly straight forward the Mac must be compatible with and meet the Big Sur system requirements, you’ll want to make a complete backup of your Mac and all important data using Time Machine or something similar, and you’ll need to download macOS Big Sur. This method will be covering upgrading from an existing version of MacOS to install MacOS Big Sur, we’ll have a separate article covering clean installs. Here we’ll walk through the steps to install macOS Big Sur, and so if you’re interested you’ll be up and running with the latest macOS in no time at all.

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