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A Detailed Guide on How to Clean Install macOS Ventura 

Updated on Monday, June 24, 2024

iBoysoft author Rivers Wong

Written by

Rivers Wong
Professional tech editor

Approved by

Jessica Shee


Summary: Want to try the new features in macOS Ventura? Read this article from iBoysoft to learn how to clean install macOS Ventura on your Mac. Moreover, always remember back up your important files before the clean installation.

How to clean install macOS Ventura on Mac

In WWDC 2022, Apple released its new version of the operating system - macOS 13 Ventura, along with various new features, like image search in Spotlight and Apple Stage Manager. It is always exciting for us to experience new features and enhanced performances of an updated macOS.

If you decide to clean install macOS Ventura on Mac instead of upgrading to it from the earlier macOS versions, then you've come to the right place. In this post, with a detailed guide, we will tell you how to perform it with a bootable USB drive. Without further delay, let's begin!

Clean install macOS Ventura: Things you should know beforehand

Why clean install macOS Ventura instead of upgrading

Instead of upgrading, clean install macOS seems more suitable for those who want to get a new start on their Macs, or prepare their devices for sale. Upgrading merely does the tricks on the operating system itself, all data and settings on Mac remain, while a clean install will literally give your Mac a new OS, without any redundant software, just like what it was when you bought it.

Besides, there are several benefits for cleaning install macOS Ventura on Mac:

  • Better stability
  • Better responsiveness
  • Full usage of storage space
  • Improved performance and efficiency
  • Increased compatibility with applications


Not every Mac is compatible with macOS Ventura and can have a clean install of it. So, before you install a new macOS version on your Mac, it is important to know if your system will support it or not. Here are the macOS Ventura compatible devices:

  • iMac (2017 and later)
  • iMac Pro (2017 and later)
  • MacBook (2017 and later)
  • MacBook Pro (2017 and later)
  • MacBook Air (2018 and later)
  • Mac Mini (2018 and later)
  • Mac Pro (2019 and later)
  • Mac Studio (2022)

What you need to clean install macOS Ventura

Despite a compatible Mac, you need two external drives, one for creating the bootable installer and another for backup files. For the bootable drive, it is required at least 16GB of storage space.

Moreover, you need to free up space on Mac to clean install macOS Ventura. The installer of macOS Ventura is about 12GB, but you still need extra space to make it work and install some important software and applications on your Mac, so, leaving enough space is important as well. Make sure there are 16GB available on your Mac's internal disk to install this new version.

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How to clean install macOS Ventura from bootable USB?

Since you already know the requirements before clean installing macOS Ventura on Mac, it's high time for us to dive in. Cleanly installing macOS Ventura from a bootable USB is also suitable for those who can't install macOS after erasing the Mac from Recovery Mode.

Step 1: Back up files and documents stored on Mac

In case the clean installation causes any unwanted data loss, it's always beneficial to back up your Mac's data to an external hard drive or cloud-based account, like Apple iCloud. Here's how to back up your files to an external drive using Time Machine on Mac:

  1. Make sure your external drive is connected to your Mac.
  2. Go to Apple Menu > System Preferences > Time Machine.
  3. Click on the Select Backup Disk button, select the drive used for Time Machine backups, then click on Use Disk.
    back up files using Time Machine

Step 2: Create a bootable installer for macOS Ventura on USB

Since the public version of macOS Ventura is not available up to now, to clean install macOS Ventura on Mac, you need to download the developer beta version of macOS Ventura. Click the hyperlink to download it. After you successfully download the beta version, follow these steps:

  1. Connect your USB drive to your Mac.
  2. Go to Launchpad > Others, click on Disk Utility. After Disk Utility is launched on your Mac, locate External in the left column, choose your USB drive, find its name in Mount Point, and write it down.
  3. Launch Mac Terminal on your Mac. You can find it by going to Mac Finder > Applications.find Terminal in the Launchpad
  4. Copy and paste the following command line into the Terminal window. Caution! You need to replace "MyVolume" in the command line with the name of your USB drive.sudo /Applications/Install\ macOS\ 13\ Beta.app/Contents/Resources/createinstallmedia --volume /Volumes/MyVolumecreate a bootable USB for clean installing macOS Ventura using Terminal
  5. After the command line is typed into the Terminal, hit Return.
  6. Wait until the installation is completed, and safe eject your USB drive.

Now, you have created a bootable USB for clean install macOS Ventura successfully. Keep up with the following steps to finish the clean installation.

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Step 3: Adjust Startup Security options in Recovery Mode

  1. Reboot your Mac and start it in Mac Recovery Mode. For Intel-based Macs, hold down the Command + R keys together as soon as Mac starts. For M1 Macs, press and hold the Touch ID (power button) for a few seconds until you see “Loading startup options”.
  2. After you boot your Mac into Recovery mode, click on the Utilities tab on the top menu, and choose Startup Security Utility.choose Startup Security Utility in the Mac Recovery Mode
  3. Check “No Security” option first, and then check the box next to “Allow booting from external or removable media”. Click the Close button to save the settings.adjust settings in Startup Security Utility
  4. Shut down your Mac.

Step 4: Clean install macOS Ventura on Mac

After you have done all the above preparation work, you can clean install macOS Ventura on your Mac now. Follow these steps to clean install macOS Ventura from the bootable USB you just created:

  1. Connect the USB drive to your Mac. Turn on your Mac again while holding the Option key until you see a set of boot options.
  2. Select the bootable drive you just created in the list and a window will appear.choose the bootable USB
  3. Choose Disk Utility and click Continue.choose Disk Utility
  4. Select your Mac's internal disk and click the Erase button to clean the entire disk for macOS Ventura clean installation.
  5. When the cleaning process is done, close the Disk Utility window, and choose install macOS 13 beta to begin the clean installation of macOS Ventura.clean install macOS Ventura on your Mac
  6. Follow the on-screen instructions to finish the installation.

Clean install macOS Ventura on your Mac successfully? Share it with more people who need it! If the installation failed with a personalization error, resolve it with this guide: Fix 'Failed to personalize the software update' on M1 Mac



Clean install macOS Ventura is a good choice for those who want to experience the new features of Apple's latest operating system. This article covers a detailed tutorial on how to clean install macOS Ventura from a bootable USB. Hope you can enjoy the convenience that macOS 13 brings! Besides, you can uninstall the macOS Ventura beta on Mac if you find it too buggy.

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