If you must proceed, you can bypass the OS check using to extract and run the installer components manually:
: For a stable Pro Tools 10 experience, consider downgrading your system to macOS 10.8.5 or 10.9 (Mavericks) , which are widely considered the most stable hosts for this version. install pro tools 103 10 on high sierra
If you must proceed despite the lack of support, standard installation involves: Downloading : Obtain the Pro Tools 10.3.10 full installer from your Avid Account Clean Uninstall : Avid recommends a clean uninstall of any previous Pro Tools versions before continuing. iLok Authorization : Ensure you have a valid Pro Tools 10 license on your Unofficial Workarounds If you must proceed, you can bypass the
Do not double-click the installer yet. Instead: Instead:
. Pro Tools 10 is a 32-bit application, and while High Sierra still supports 32-bit apps, major core changes in the OS make this version highly unreliable without manual workarounds Compatibility Summary Official Support: officially qualifies Pro Tools 10.3.10 only up to macOS 10.8.5 (Mountain Lion) Unsupported "Limit":