Boot Camp Support Software 4.0.4255 May 2026

Introduction Boot Camp Support Software (also commonly referred to as Boot Camp Drivers) is the essential bridge between Apple’s hardware and Microsoft Windows when running on a Mac via Apple’s Boot Camp utility. Version 4.0.4255 represents a specific, relatively early build in the Boot Camp 4.x lifecycle, primarily associated with Mac OS X Lion (10.7) and early OS X Mountain Lion (10.8) releases.