Note: 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.
Short answer: Yes, with caveats.
If your Mac is compatible with a newer Boot Camp version (e.g., 6.x), you should upgrade. But for many users stuck on Windows 7 for legacy hardware/software, 5.1.5621 is the final, stable release. boot camp support software 5.1.5621
It is vital to note that Boot Camp drivers are highly hardware-specific. Version 5.1.5621 was generally intended for Macs released roughly between 2012 and 2014. This includes models such as:
Users with newer machines (2015 and later) typically require Boot Camp 6.0 or higher, while older machines (2011 and earlier) may require legacy drivers. Note: Manual download of this exact version is
Cause: The installer checks for a specific list of Mac model identifiers (MacBookPro10,1 etc.). If you have a newer Mac, it will reject the installation.
Fix: Edit the BootCamp.xml file inside the package or use the /forcesetup flag. Warning: Forcing installation on unsupported hardware can cause blue screens. Short answer: Yes, with caveats
Apple’s Boot Camp Support Software versions follow a numeric pattern. The 5.x series corresponds to Boot Camp 5, which was introduced alongside Windows 8 support and later backported to Windows 7. Version 5.1.5621 is a specific build from early 2015.
Key characteristics of 5.1.5621:
This version is not a generic, one-size-fits-all package. Apple designed it specifically for certain Mac models.