Click Continue, then follow the onscreen instructions to begin installation.Ĥ. Open the macOS Utilities window and select Reinstall macOS from the options.ģ.

Download the macOS installer from the App Store.Ģ. Finally, follow the onscreen instructions to complete the installation process.ġ. Once your USB drive is ready, you can use it as your startup disk and boot up your Mac from it. You can do this by downloading the latest version of macOS from the App Store and running the ‘Create Installer’ tool in macOS Utilities. To do so, you’ll need to create a bootable USB drive with the macOS installer. Yes, you can install macOS throuh a USB drive or other external storage device. Once it’s finished, you can safely remove the USB drive and start using your newly installed version of macOS on your MacBook Pro! Installing MacOS Through USB The installation will take some time, so be patient and follow any onscreen instructions until completion. Select it and hit “Continue” to begin the installation process. When your computer starts up, you should see the Startup Manager window with your USB drive listed as an option. After that, plug the USB drive into your MacBook Pro and restart your computer while holding down the Option key. Then, download the latest version of macOS from the App Store onto the external drive. First, be sure to back up any important files that are currently stored on your MacBook Pro. To install macOS on a MacBook Pro from a USB drive, you’ll need a Mac-compatible external drive with at least 16GB of storage space. Installing MacOS on MacBook Pro Using a USB

Install macos from flash drive