Create macOS Big Sur Bootable USB Installerīefore we begin, make sure that you have the following: Here is how you can do it using a USB drive.

This requires backing up all data from a Mac, formatting the drive, and installing the latest operating system version. One of the best ways to experience any major new operating system upgrade is to perform a clean install. Please follow iClarified on Twitter, Facebook, Google+, or RSS for more Apple news, tutorials, and videos.How to enable battery saver on Windows 11 Most drives 16GB or larger will work however, you'll likely want a drive that is USB 3.0 or newer for best performance. If you want a suggestion on which USB flash drive to use for your macOS installer, the Samsung Fit Plus is a compact and affordable option. You can then select the bootable install drive to begin installing macOS Monterey. Turn it back on and keep holding down the power button until you see the boot menu appear. If you have an Apple Silicon Mac, power off your device. Select the USB installer drive from the boot menu to begin. You'll be presented with a list of bootable drives. If you have an Intel Mac, restart your computer and hold down the Option key after hearing the boot sound. If prompted to allow Terminal to access your removable device, click OK.Īfter about 30 minutes the creation of your macOS Monterey USB installer will be complete. You will be asked to enter your Administrative account password. Sudo '/Applications/Install macOS Monterey.app/Contents/Resources/createinstallmedia' -volume '/Volumes/Untitled' Please note this will erase the entire USB drive. Once you've verified that you have the full installer, launch Terminal from the Applications:Utilities folder.Įxecute the following command in the Terminal window replacing 'Untitled' with the name of your USB key that will become the bootable installer. You can delete it and use one of the direct download links found here. You can delete it, upgrade to the latest version of Big Sur from the Mac App Store, then redownload the installer.ģ. You can run it to install macOS Monterey and then redownload the installer.Ģ. If it's tiny (~20MB), you have a few options.ġ. If the macOS Monterey installer app is over 10GB, skip to the next step. Press Command+i on the keyboard and verify its size. Open your Applications folder and select the 'Install macOS Monterey' app. Once the macOS Monterey installer launches, press the Command+Q keys on the keyboard to exit. You may be brought to a Software Update window, click Upgrade Now or Download to begin downloading the macOS installer. Navigate to the macOS Monterey application page and click the Get button.

Make macos bootable usb