64 Bit Exclusive _verified_: Apple Software Update Download For Windows 10

Method 2: Download via iTunes 64-bit (Stand-alone Installer)

Apple does not distribute Apple Software Update as a standalone utility. You must acquire it by installing the 64-bit versions of primary Apple applications. Method 1: The iTunes 64-Bit Desktop Installer Method 2: Download via iTunes 64-bit (Stand-alone Installer)