iTunes 10.13.99 or earlier
The error message stating you need typically occurs when you try to install a legacy standalone version of iTunes on a modern Mac running macOS Catalina (10.15) or later. On these newer systems, iTunes has been discontinued and replaced by dedicated apps: Apple Music , Apple TV , and Apple Podcasts . Why You're Seeing This Error
Conclusion
The error commonly indicates:
If you are using an older version of macOS (High Sierra or earlier) and need the software:
Practical steps to proceed safely (concise checklist)
