Advanced users and developers should stick with the standalone iTunes 12555 for Windows 64bit new . Casual listeners can use the Store version.
There are two ways to get this update:
Surprisingly, version 12.5.5.12555 runs better on Windows 11 23H2 than the final iTunes 12.13.x releases. Why? The later builds added telemetry and compatibility shims for now-dead iOS 15/16 syncing. 12.5.5 has no such cruft. It launches in ~1.2 seconds on an NVMe drive—a feat later versions cannot match. itunes 12555 for windows 64bit new