Boot Camp Support Software 5.1.5621 ((exclusive)) < ULTIMATE ✯ >

Download the official bootcamp5.1.5621.zip file from a verified source. Double-click the file to unzip it.

Not officially. Windows 11 requires TPM 2.0 and Secure Boot. Your 2014–2015 Mac lacks TPM 2.0. While you can bypass the checks, driver conflicts (especially audio) are common. boot camp support software 5.1.5621