Using the Recovery Mode is an easy way to reinstall your Mac OS. Follow the steps below to get a new version of your operating system:
Note: Your Mac needs to be connected to the internet to install or reinstall macOS.
- Restart your Mac. You can do this by holding down the power button or by clicking the Apple logo by the top left corner of the screen and selecting Restart.
- As your computer is restarting, hold down the Command + R keys. Keep holding them down until you see the Apple logo appear on your screen. When the Apple logo appears, release the command and R keys.
- When you are in recovery mode, click Reinstall macOS and then click continue.
- When the installer window pops up, click Continue. You will be shown the terms and conditions for installing the OS. Click Agree and then select your hard drive in the next window. Click Install to initiate the process.