Yeah there was one generation of Mac's that used the Intel Core Duo which 32bit only. They are long not supported. https://everymac.com/mac-answers/snow-leopard

Yeah there was one generation of Mac's that used the Intel Core Duo which 32bit only. They are long not supported. https://everymac.com/mac-answers/snow-leopard-mac-os-x-faq/mac-os-x-snow-leopard-64-bit-macs-64-bit-efi-boot-in-64-bit-mode.html https://everymac.com/mac-answers/snow-leopard-mac-os-x-faq/m...