: Windows XP Service Pack 3 is required for the 12.x versions. Critical Tips for Older Versions iTunes Download for Windows XP - Apple Support Community

To run these versions effectively on an older machine, Apple specifies the following minimum hardware: : 1GHz Intel or AMD processor with SSE2 support. RAM : 512MB (1GB recommended for playing HD video).

: Often cited as the last version with full functionality before legacy support was adjusted.

You can find the official installers for the most compatible versions on the Apple Support site or through the Apple Support Community:

: The last version to support Windows XP Service Pack 2 . System Requirements for Windows XP

The latest and final version of iTunes that officially supports is version 12.1.3.6 . This version was released by Apple in September 2015 to add support for iOS 9 devices on older operating systems, though it lacks features like Apple Music found in newer releases. Quick Download Links