Run the following commands to repair permissions (you may need to provide your password): sudo chown -R root:wheel /Library/Application\ Support/Digidesign sudo chmod -R 775 /Library/Application\ Support/Digidesign Step 5: Launching Pro Tools 10 Launch Pro Tools 10.

Open the OSInstall.mpkg on your desktop using (a popular shareware tool for modifying installers) or modify the distribution script to ignore the version check.

For those needing a stable environment for older RTAS plugins, creating a with OS X 10.8.5 is highly recommended over forcing an installation on High Sierra. How do I install ProTools 10.3.10 on macOS High Sierra?

Attempting to install it on High Sierra will likely trigger an "incompatible version of the OS" error because the installer includes an OS version check. Official Compatibility Overview Only qualified up to Mac OS X 10.8.5.

Pro Tools 10 requires a physical iLok 2 or iLok 3 USB smart key holding a valid Pro Tools 10 license.

: Locate the extracted Pro Tools.pkg (or similar) inside the destination folder and run it directly. Recommended Alternatives

Go to the official iLok website and download the latest version of the for Mac. Install the iLok License Manager and restart your computer. Plug in your iLok USB key. Launch Pro Tools 10.3.10 from your Applications folder.

Installing Pro Tools 10.3.10 on macOS High Sierra is a non-trivial task that involves modifying the original installer package, adjusting system security settings, and accepting the risks that come with running unsupported software. While the process is possible and has been successfully completed by many users, it should only be attempted if you have no other practical alternatives.

: If you must stay on High Sierra, upgrading to Pro Tools 2018.1 or later is recommended, as these versions offer native compatibility with macOS 10.13.

High Sierra introduces new security features that block legacy kernel extensions (kexts). You must prepare the OS to accept the old Avid drivers.

Create a full Time Machine backup or clone your drive before starting.

Launch . Click Open Package and navigate to the mounted Pro Tools volume. Select the Install Pro Tools.pkg file.

You will see multiple .pkg files. You must install them in this specific order:

Disclaimer: Installing outdated software on newer operating systems can result in system instability. Always backup your data before modifying system files. If you'd like, I can:

Avid explicitly notes that the uninstaller for Pro Tools 10.3.10 and earlier will not work on macOS 10.13 High Sierra. If you need to remove Pro Tools from your system, you will need to manually delete the application and its associated files.