Windows 10 (64-bit) , the standard way to get and update Apple software is through the Microsoft Store

Apple Software Update (ASU) is a background utility installed alongside iTunes, iCloud, and other Apple software on Windows. Its primary function is to poll Apple’s update servers at configurable intervals.

Download the standalone iTunes 12.10.11 for Windows (64-bit) directly from Apple Support. This installer includes the Apple Software Update utility as a core component.

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