: Avoid third-party unzipping tools that lack security certifications.

Always prefer the Official Apple Support site.

Bootcamp515640zip is ideal for:

Adapting to Accelerated Vulnerability Discovery in 2026. Executive Summary

Microsoft hosts verified driver cabs. Search for "Apple Boot Camp" and filter by date late 2019. You will find a .cab file containing the 515640 components. While not a .zip , this is digitally signed by both Apple and Microsoft.