iTunes update
how to update with the latest iTunes version on MacBook Pro
MacBook Pro 13″, OS X 10.10
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On macOS versions that still support iTunes, it is updated with the macOS version, or form the software Update option in the Apple Menu.
On Macs running Catalina or later, iTunes no longer exists. You use the Music, TV and Finder Apps for all of iTunes features.
Link-> What happened to iTunes? - Apple Support