The standalone Apple Music, TV and Devices apps for Windows-powered computers have exited preview, and you can safely use them on PCs instead of iTunes.
Apple Devices
Apple headset references removed from the Apple Devices app
The “xrOS” and “RealityOS” Apple headset references recently found in the Apple Devices Windows app have been removed from the latest update.
Apple headset references discovered in the new Apple Devices Windows app
Code for the Apple Devices Windows app mentions “Reality OS” and “xrOS,” referencing the rumored software platform that would power an Apple headset.
Windows previews of Apple Music, Apple TV and Apple Devices have arrived
Windows previews of Apple's TV and Music apps are now available to download from the Microsoft Store, plus a preview of a new syncing app dubbed Apple Devices.