Apple’s code signature would usually prevent tampering, but many users disable Gatekeeper in frustration just to get an older version running. That’s a disaster waiting to happen.

The quarantine flag from downloading via web browser or ABM. Fix: Open Terminal and run:

(e.g., offline installs):

Last updated: October 2025. Apple Configurator 2 current version: 2.18. Always check Apple’s official release notes for changes to distribution policies.

Only through an Apple Developer account (downloads section) or if you have archived the DMG yourself.