This guide will walk you through:
Security warning: The official Apple download will be signed with a valid certificate. If your Mac warns you that the installer is from an unidentified developer, do not force-open it; you have the wrong file. itunes macos 10.13.99 download
or later. Starting with Catalina, Apple officially retired iTunes and replaced its functions with separate apps: Apple Support Community How to Access iTunes Features on Newer macOS This guide will walk you through: Security warning: