: Instead of double-clicking the installer, use a tool like Pacifist or similar.
the "Install Pro Tools.pkg" inside the DMG and select "Open with Pacifist."
Because the standard .pkg file will block you immediately, you must bypass the version check.
The version of iLok License Manager included in the PT10 installer is severely outdated and will not run on High Sierra. Download the of the iLok License Manager .