Boot Camp Support Software 5.1.5621 is a driver package provided to enable Windows to run properly on Apple Mac hardware when using Boot Camp. It includes device drivers and utilities for Apple-specific components — such as the trackpad, keyboard, Apple SMBus, graphics, audio, networking, and the Boot Camp control panel — ensuring full hardware functionality under Windows.
The latest version of the Boot Camp Support Software offers several improvements and enhancements, including: boot camp support software 5.1.5621
: 13-inch, 15-inch, and 17-inch (Mid 2010 to Early 2013, including Retina models). iMac : 21.5-inch and 27-inch (Mid 2010 to Early 2013). Mac mini : Mid 2011 and Late 2012. Mac Pro : Early 2009, Mid 2010, and Mid 2012. Installation Guide Boot Camp Support Software 5
But as the day wore on, a few users started to report some issues. One user complained that the software was freezing during the installation process, while another reported that the update had caused their Mac to crash. iMac : 21
This software version is designed for specific hardware. If you have a later model (like a late-2013 MacBook Pro), you should use version Supported Operating Systems: Windows 7, Windows 8, and Windows 8.1 (64-bit only). Compatible Mac Models: MacBook Air: Mid 2011 and Mid 2012 models. MacBook Pro:
was identified as the specific build that includes the drivers for older Wi-Fi cards, trackpads, and function keys that newer versions dropped. Apple Support Community Common "Hero" Moments and Hurdles The "USB 2.0" Trick:
For IT administrators deploying multiple machines: