Create a dedicated "Pro Tools" Admin user account to minimize background process interference.
Open the desktop copy with a text editor and change the ProductVersion string from 10.13.x to 10.8.5 or 10.9 . install pro tools 103 10 on high sierra
Open the new ProTools.app . Enter your iLok credentials. Create a dedicated "Pro Tools" Admin user account
Find os_version check function and replace with: The Compatibility Reality Check
Installing on macOS 10.13 High Sierra is technically unsupported, as Pro Tools 10 was designed for much older systems like Mac OS X 10.8 Mountain Lion . However, if you must run it to access old RTAS plugins or sessions, The Compatibility Reality Check