![]() Select the volume containing the bootable installer, then click Continue. Turn on the Mac and continue to hold the power button until you see the startup options window, which shows your bootable volumes. The macOS version that came with the Mac is the earliest version it can use.Ī bootable installer doesn't download macOS from the internet, but it does require an internet connection to get firmware and other information specific to the Mac model. Plug the bootable installer into a Mac that is connected to the internet and compatible with the version of macOS you're installing. You just want to make sure the installer will boot into the macOS Monterey installer.įollow the instructions below provided by Apple to boot using the USB Flash Drive on an Apple Silicon or Intel-based Mac: You can cancel out of the actual installation when prompted. You may want to test the USB Flash Drive to make sure the installer works properly. When the process completes, close Terminal. Terminal will display progress indicators along the way. The USB Flash Drive will be formatted then macOS Monterey will be copied onto the drive. When prompted, press “Y” to proceed with formatting the USB Flash Drive. You will need to enter your computer Admin password to proceed. Important Note: If you did not name your USB Flash Drive “MyVolume” then replace “MyVolume” in the Terminal command with the name of your USB Flash Drive. Sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia -volume /Volumes/MyVolume Copy and paste the following command into the Terminal window then press Return/Enter: In the Finder, select Go then Utilities then launch Terminal. The macOS Monterey installer will launch after the download. Don’t move the installer file as the Terminal command will reference this file in this specific location. The installer will be saved to the Applications folder. ![]() Next, download macOS Monterey from the App Store. Keep in mind all data on the USB Flash Drive will be erased so don’t use one with data that you want to keep. Apple suggests at least 14GB of available storage so get a USB Flash Drive with at least 16GB of storage. ![]() To perform a clean install of macOS Monterey, you’ll need to create a macOS Monterey USB installer. I still periodically format my computers and perform a clean install but when I can, I’ll do the upgrade first and then a clean install down the road. While I generally prefer clean installations over upgrades upgrades have gotten better where I don’t often see issues post-upgrade. Follow the on-screen prompts and in about 45 to 60 minutes, your Mac should be up and running on macOS Monterey.īut what if you want to perform a clean installation instead of upgrading? There are plenty of reasons to perform a clean install. If your Mac supports macOS Monterey, simply download macOS Monterey from the App Store and run the installation (or via Software Update, if available). Apple released macOS Monterey last October and if you’re finally ready to upgrade, the easiest option is to upgrade your existing installation of macOS to macOS Monterey provided your existing Mac is a supported device. ![]()
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