Boot Camp Support Software 5.1.5621 !!install!!

Manual download of this exact version is sometimes necessary when newer Boot Camp drivers (e.g., 6.x) drop support for older Windows versions. Many users archived version 5.1.5621 for Windows 7/8.1 compatibility on 2013 Macs.

Without these drivers, a user installing Windows would face significant functionality gaps. For instance, the might only function as a basic mouse, the FaceTime camera would remain inactive, and high-resolution Retina displays might not scale correctly. Installation and Utility