

In the settings where you select a volume, select your current macOS volume (in most cases, it’s the only one available). In the Recovery app window, select Reinstall for your macOS release, then click Continue. Reinstall your current version of macOS: Command-R. Reinstall your computer’s original version of macOS (including available updates): Option-Shift-Command-R.
#Install macos big sur from usb install
Install the latest version of macOS compatible with your computer: Option-Command-R. On an Intel-based Mac: Choose Apple menu > Restart, then immediately press and hold one of these key combinations, depending on what you want to do: On a Mac with Apple silicon: Choose Apple menu > Shut Down, press and hold the power button until “Loading startup options” appears, select Options, click Continue, then follow the onscreen instructions. Start up your computer in macOS Recovery: Open a finder window, go to Applications and find. Now to install the beta or alternative version of the Mac operating system on your external drive. Get started with accessibility features Step 3: Install macOS on the external drive.Use Sign in with Apple for apps and websites.


